Vocabulary

100 Terms Every Nurse Should Know

No. Term Definition
1. ABG Arterial blood gas analysis of oxygenation and ventilation.
2. ACE inhibitor Antihypertensive drug class; reduces angiotensin II effects.
3. Acidosis Blood pH below normal; excess acid state.
4. Acuity Severity or urgency of a patient’s condition.
5. Advance directive Legal document stating healthcare wishes and surrogate.
6. Aseptic technique Methods preventing contamination by microorganisms during care.
7. Aspiration Inhalation of fluids or solids into airway.
8. Atrial fibrillation Irregular atrial rhythm increasing stroke risk.
9. BGL Blood glucose level measurement for glycemic control.
10. BiPAP Noninvasive ventilation with bilevel positive airway pressure.
11. Blood culture Test to detect bloodstream infection organisms.
12. Bolus Single, rapid dose of medication or fluid.
13. Bradycardia Heart rate slower than normal for age.
14. Bronchodilator Medication that relaxes airway smooth muscle.
15. Capillary refill Time for color return after blanching.
16. Catheter-associated UTI Urinary infection related to indwelling catheter use.
17. CBC Complete blood count measuring cells and indices.
18. CHF Congestive heart failure with fluid overload symptoms.
19. CKD Chronic kidney disease with reduced renal function.
20. CLABSI Central line–associated bloodstream infection.
21. CNA Certified nursing assistant providing basic patient care.
22. Code blue Hospital emergency for cardiopulmonary arrest response.
23. Consent Patient agreement after understanding risks, benefits, alternatives.
24. Contact precautions Isolation measures preventing spread via touch.
25. COPD Chronic obstructive pulmonary disease with airflow limitation.
26. CPR Cardiopulmonary resuscitation to restore circulation and breathing.
27. Creatinine Kidney function marker; rises with impaired filtration.
28. Culture and sensitivity Identifies organism and effective antibiotics.
29. CVC Central venous catheter for access and monitoring.
30. De-escalation Techniques reducing agitation and preventing violence.
31. Dehydration Fluid deficit causing impaired perfusion and symptoms.
32. Delirium Acute fluctuating confusion and inattention.
33. Diuresis Increased urine production, often from diuretics.
34. DNR Do not resuscitate order limiting CPR interventions.
35. Dressing change Replacing wound covering using sterile or clean technique.
36. DVT Deep vein thrombosis; clot in deep veins.
37. Dysphagia Difficulty swallowing, increasing aspiration risk.
38. ECG Electrocardiogram recording electrical activity of heart.
39. Edema Swelling from excess fluid in tissues.
40. EHR Electronic health record for clinical documentation.
41. Electrolytes Ions essential for fluid balance and function.
42. Endotracheal tube Airway tube placed in trachea for ventilation.
43. EOL care End-of-life care focusing on comfort and goals.
44. Epinephrine Adrenergic drug used in anaphylaxis and arrest.
45. Fall risk Likelihood of patient falling; requires prevention measures.
46. Fever Elevated body temperature indicating possible infection.
47. Foley catheter Indwelling urinary catheter for continuous drainage.
48. GCS Glasgow Coma Scale assessing level of consciousness.
49. GERD Gastroesophageal reflux disease causing heartburn and regurgitation.
50. GI bleed Bleeding in gastrointestinal tract causing anemia or shock.
51. Glasgow Coma Scale Neurologic scale scoring eye, verbal, motor responses.
52. Hand hygiene Cleaning hands to prevent healthcare-associated infections.
53. Handoff Transfer of patient information between caregivers.
54. Heparin Anticoagulant medication preventing clot formation.
55. Hip fracture precautions Safety measures after hip injury or surgery.
56. Hypoglycemia Low blood glucose causing neuroglycopenic symptoms.
57. Hypokalemia Low potassium risking arrhythmias and weakness.
58. Hypotension Low blood pressure causing poor organ perfusion.
59. I&O Intake and output tracking for fluid balance.
60. ICU Intensive care unit for critically ill patients.
61. Insulin Hormone medication lowering blood glucose levels.
62. Isolation Practices separating patients to prevent infection spread.
63. IV infiltration IV fluid leaks into surrounding tissue.
64. Kussmaul respirations Deep rapid breathing seen in metabolic acidosis.
65. KVO Keep vein open; minimal IV infusion rate.
66. Lab values Test results guiding diagnosis and treatment decisions.
67. Lactate Marker of tissue hypoperfusion and sepsis severity.
68. LPN/LVN Licensed practical/vocational nurse providing nursing care.
69. MASD Moisture-associated skin damage from urine or stool.
70. Medication reconciliation Comparing medication lists to prevent errors.
71. MI Myocardial infarction; heart muscle ischemic injury.
72. Morphine Opioid analgesic for severe pain and dyspnea.
73. MRSA Methicillin-resistant Staphylococcus aureus infection risk.
74. Na+ Sodium; key electrolyte for fluid and nerve function.
75. Narcan Naloxone reversing opioid overdose respiratory depression.
76. Nasogastric tube Tube to stomach for feeding or decompression.
77. Nebulizer Device delivering aerosolized medication to lungs.
78. Neuro checks Serial assessments of neurologic status and changes.
79. NPO Nothing by mouth; restrict oral intake.
80. O2 saturation Percentage hemoglobin saturated with oxygen.
81. Orthostatic hypotension BP drop on standing causing dizziness or falls.
82. Osmolality Solute concentration affecting fluid shifts.
83. Pain scale Tool rating pain intensity to guide treatment.
84. Palliative care Specialty care relieving symptoms and supporting goals.
85. PCA Patient-controlled analgesia pump for self-dosing opioids.
86. PE Pulmonary embolism; clot obstructing pulmonary artery.
87. Phlebitis Vein inflammation, often from IV irritation.
88. PICC Peripherally inserted central catheter for long-term access.
89. Pneumonia Lung infection causing cough, fever, hypoxia.
90. PO By mouth; oral administration route.
91. PRN As needed medication administration timing.
92. QID Four times daily medication schedule.
93. QT prolongation Extended ventricular repolarization increasing torsades risk.
94. Rapid response Team activated for acute clinical deterioration.
95. Restraints Devices limiting movement to prevent harm.
96. SBAR Situation-Background-Assessment-Recommendation communication framework.
97. Sepsis Life-threatening organ dysfunction from dysregulated infection response.
98. Shock Circulatory failure causing inadequate tissue perfusion.
99. SpO2 Pulse oximetry estimate of oxygen saturation.
100. Stroke Acute neurologic deficit from ischemia or hemorrhage.

100 Terms Every Reddit User Should Know

No. Term Definition
1. AFAIK As far as I know.
2. Alt account Secondary account used for privacy or roles.
3. AMA Ask me anything interview thread.
4. AMA proof Verification evidence for an AMA host.
5. Archive Locked from new comments or votes.
6. Astroturfing Fake grassroots promotion posing as organic.
7. AutoModerator Bot that enforces rules automatically.
8. Bait Post designed to provoke reactions.
9. Ban Account barred from a subreddit.
10. Ban evasion Returning with another account after a ban.
11. Best of Top content compilation or annual awards.
12. Brigading Coordinated voting or commenting from outside.
13. Cake day Your account’s creation anniversary.
14. Callout Publicly criticizing someone’s behavior or claims.
15. Circlejerk Self-reinforcing, insular agreement and jokes.
16. Civility rule Requirement to be respectful in discussion.
17. CMV Change my view debate format.
18. Comment karma Karma earned from upvoted comments.
19. Copypasta Repeated block of text shared widely.
20. Crosspost Reposting content into another subreddit.
21. Cursed comments Disturbing or oddly funny comment replies.
22. DAE Does anyone else feel or do this?
23. Delete Remove your post or comment.
24. Downvote Vote indicating low quality or irrelevance.
25. Doxxing Revealing someone’s private identifying information.
26. Drama Escalating conflict that derails discussion.
27. Edit Post-change note added after submission.
28. EILI5 Explain it like I’m five.
29. ELI5 Explain in simple, beginner-friendly terms.
30. Emojipasta Copypasta heavily decorated with emojis.
31. Enforced flair Posting requires selecting a flair.
32. ETA Edit to add additional information.
33. Filter bubble Narrowed viewpoint from selective content exposure.
34. Flair Tag indicating topic, status, or user role.
35. FOMO Fear of missing out on updates.
36. Front page Main feed of popular posts.
37. FWIW For what it’s worth.
38. Gilding Awarding a post or comment.
39. Gold Premium award historically granting perks.
40. Gray rock Respond minimally to reduce engagement.
41. Hate speech Content attacking protected groups.
42. Headcanon Personal interpretation not confirmed by source.
43. Hot take Provocative opinion framed as bold.
44. IAmA Original AMA-style subreddit interview thread.
45. ICYMI In case you missed it.
46. Impression farming Posting to maximize views and engagement.
47. Inbox Notifications for replies and messages.
48. Incel Online subculture around involuntary celibacy.
49. IRL In real life.
50. Karma Score from upvotes minus downvotes.
51. Karma farming Posting to gain karma quickly.
52. Keep it civil Reminder to avoid insults and hostility.
53. LARP Roleplaying as something you’re not.
54. LMAO Laughing hard at something.
55. Locked Thread closed to new comments.
56. Lurker Reader who rarely posts or comments.
57. Meme Shareable joke format or image macro.
58. Meta Discussion about the community or rules.
59. Mod Volunteer moderator managing a subreddit.
60. Moderator queue List of items awaiting mod review.
61. Modmail Message system for contacting moderators.
62. New Feed sorted by newest posts.
63. NFSW Common misspelling of NSFW tag.
64. No brigading Rule forbidding coordinated outside interference.
65. No reposts Rule against repeated previously posted content.
66. No self-promo Rule limiting advertising your own content.
67. NSFL Not safe for life; extremely graphic.
68. NSFW Not safe for work; adult content.
69. OC Original content created by the poster.
70. Off-topic Not relevant to the subreddit’s focus.
71. OP Original poster; thread starter.
72. Orangered Classic Reddit upvote color.
73. Permaban Permanent ban from a subreddit.
74. Pinned post Moderator-fixed post at top of feed.
75. Post karma Karma earned from upvoted posts.
76. Power user Highly active user with frequent contributions.
77. Private subreddit Subreddit visible only to approved members.
78. Quarantine Restricted community requiring opt-in warning.
79. Ragebait Content crafted to provoke anger.
80. Removed Taken down by moderators or filters.
81. Report Flag content for moderator review.
82. Repost Content submitted again, often repeatedly.
83. Rules sidebar Subreddit rules listed in sidebar/about.
84. Sauce Request for the original source.
85. Screenshot Image capture of posts or comments.
86. Shadowban Hidden posts; user thinks they’re visible.
87. Shitpost Low-effort post made for humor.
88. Sidebar Subreddit info area with rules and links.
89. Spam Unwanted repetitive or promotional submissions.
90. Spoiler tag Markup hiding plot-revealing information.
91. Subreddit Topic-based community within Reddit.
92. Throwaway Temporary account for anonymity.
93. TIL Today I learned; fact-sharing format.
94. TL;DR Too long; didn’t read summary.
95. Top Feed sorted by highest-voted posts.
96. Troll User provoking others for reactions.
97. Upvote Vote indicating quality or relevance.
98. User flair Label shown next to a username.
99. Verified Confirmed identity or claim by moderators.
100. Vote fuzzing Score obfuscation to deter vote manipulation.

100 Terms Every Aviationist Should Know

No. Term Definition
1. ADF Automatic direction finder for NDB navigation.
2. ADIZ Air defense identification zone requiring special procedures.
3. ADS-B Broadcasts aircraft position, velocity, and identification.
4. AFT CG Center of gravity behind allowable range.
5. AGL Altitude measured above ground level.
6. Aileron Control surface for roll about longitudinal axis.
7. AIM Aeronautical Information Manual operational guidance.
8. AIP Aeronautical Information Publication for a state.
9. Altimeter setting Barometric pressure setting for indicated altitude.
10. AMSL Altitude above mean sea level.
11. Angle of attack Angle between wing chord and relative wind.
12. Anti-ice Prevents ice accumulation on surfaces.
13. Approach plate Published instrument approach procedure chart.
14. APU Auxiliary power unit supplying electrical and bleed air.
15. ARFF Airport rescue and firefighting services.
16. ASOS Automated surface observing system for weather.
17. ATC Air traffic control services for safe separation.
18. ATIS Automatic terminal information service broadcast.
19. Autopilot System that controls aircraft attitude and path.
20. AWOS Automated weather observing system at airports.
21. Baro-VNAV VNAV using barometric altitude reference.
22. Base leg Traffic pattern leg perpendicular to final.
23. Block altitude Altitude range assigned for operations.
24. Brake fade Reduced braking effectiveness from heat buildup.
25. Cabin altitude Equivalent altitude inside pressurized cabin.
26. CAF Change accumulated frost affecting lift.
27. CAS Calibrated airspeed corrected for instrument error.
28. CAT I/II/III ILS approach categories by minima.
29. CAVOK Visibility and cloud conditions are good.
30. Ceiling Height of lowest broken/overcast layer.
31. CFIT Controlled flight into terrain accident.
32. CFR Code of Federal Regulations for aviation rules.
33. Clearance limit Farthest point authorized in ATC clearance.
34. Climb gradient Altitude gained per distance traveled.
35. Crosswind component Wind component perpendicular to runway.
36. DA/MDA Decision altitude or minimum descent altitude.
37. Deice Removes ice already accumulated on surfaces.
38. Density altitude Pressure altitude corrected for nonstandard temperature.
39. DME Distance measuring equipment to station.
40. Downwind leg Pattern leg parallel to runway opposite direction.
41. DP Departure procedure for obstacle clearance and routing.
42. DR Dead reckoning navigation using time and heading.
43. EFB Electronic flight bag for charts and data.
44. EICAS Engine indicating and crew alerting system.
45. ELT Emergency locator transmitter for distress signaling.
46. ETA Estimated time of arrival.
47. ETE Estimated time enroute.
48. ETOPS Extended-range twin-engine operational performance standards.
49. FAF Final approach fix on instrument approach.
50. FAR Federal Aviation Regulations; U.S. operating rules.
51. FBO Fixed-base operator providing airport services.
52. FIKI Flight into known icing approved equipment.
53. Final approach Segment aligned with runway for landing.
54. Flight level Altitude referenced to standard pressure 29.92.
55. FMS Flight management system for navigation and performance.
56. FOQA Flight operations quality assurance data program.
57. FPM Feet per minute vertical speed.
58. Fuel exhaustion Fuel depleted; engines stop from lack.
59. Fuel starvation Fuel aboard but not reaching engine.
60. GA General aviation non-airline civil flying.
61. Glidepath Vertical guidance for approach descent angle.
62. GLS GBAS landing system precision approach guidance.
63. Go-around Aborted landing; climb and reconfigure.
64. GPS Satellite navigation providing position and time.
65. GPWS/EGPWS Ground proximity warning system terrain alerts.
66. Gust factor Added airspeed for gusty conditions.
67. HASI High intensity approach slope indicator.
68. Heading Direction aircraft nose points relative north.
69. HF High-frequency radio for long-range communications.
70. Hold short Stop before runway or specified point.
71. Holding pattern Racetrack maneuver to delay or sequence.
72. HOT High occupancy time on runway.
73. HSI Horizontal situation indicator navigation display.
74. IAF Initial approach fix begins approach segment.
75. IAS Indicated airspeed shown on airspeed indicator.
76. IFR Instrument flight rules for low visibility.
77. ILS Instrument landing system providing lateral and vertical guidance.
78. IMC Instrument meteorological conditions requiring instruments.
79. Intercept Join a course or radial to track.
80. ISA International Standard Atmosphere reference conditions.
81. Jet stream High-altitude fast wind band affecting flight.
82. KIAS Knots indicated airspeed.
83. KTS Knots; nautical miles per hour.
84. LAHSO Land and hold short operations on intersecting runways.
85. LDA Localizer-type directional aid offset approach.
86. Liftoff speed Airspeed at which aircraft leaves ground.
87. Localizer ILS lateral guidance aligned with runway.
88. Mach number True airspeed divided by speed of sound.
89. MEL Minimum equipment list for dispatch with inoperative items.
90. METAR Routine aviation weather report.
91. Minimums Lowest authorized altitude/visibility for approach.
92. Missed approach Published procedure after not landing.
93. MOA Military operations area with special activity.
94. MSA Minimum safe altitude within sector area.
95. NDB Nondirectional beacon radio navigation aid.
96. NOTAM Notice to air missions; time-critical information.
97. OAT Outside air temperature.
98. PAPI Precision approach path indicator lights.
99. PIC Pilot in command with final authority.
100. Pitot-static system Measures airspeed, altitude, and vertical speed.

100 Terms Every Writer Should Know

No. Term Definition
1. Abstract noun Noun naming an idea, quality, or state.
2. Active voice Subject performs action; clearer, often more direct.
3. Adage Old saying expressing a general truth.
4. Adjective Word modifying a noun or pronoun.
5. Adverb Word modifying verb, adjective, or adverb.
6. Alliteration Repeated initial consonant sounds in nearby words.
7. Allusion Brief reference to a known person, place, or text.
8. Ambiguity Multiple plausible meanings; can confuse or enrich.
9. Analogy Comparison showing similarity between different things.
10. Anaphora Repetition at beginnings of successive clauses.
11. Anecdote Short, illustrative story, often personal.
12. Antagonist Character opposing the protagonist.
13. Antithesis Balanced contrast of opposing ideas.
14. Aphorism Concise statement of a general truth.
15. Apostrophe Direct address to absent person or idea.
16. Arc (character arc) Character’s internal change across a narrative.
17. Archetype Recurring, recognizable character or story pattern.
18. Argument Claim supported by reasons and evidence.
19. Assonance Repeated vowel sounds in nearby words.
20. Audience Intended readers or listeners for a text.
21. Backstory Earlier events shaping characters and situation.
22. Bias Prejudice affecting selection or interpretation of information.
23. Bildungsroman Coming-of-age story of personal development.
24. Blocking Placing characters in space for clear action.
25. Bombast Pompous, inflated language lacking substance.
26. Cadence Rhythmic flow of language in sentences.
27. Canon Works widely accepted as authoritative in a tradition.
28. Catharsis Emotional release experienced by the audience.
29. Characterization Methods used to reveal a character’s traits.
30. Chronology Order of events in time.
31. Cliché Overused expression that shows little originality.
32. Climax Highest tension point where conflict peaks.
33. Closure Satisfying resolution of major story questions.
34. Coherence Logical, consistent connection among ideas.
35. Colloquialism Informal word or phrase used in conversation.
36. Conflict Central struggle driving plot and character choices.
37. Connotation Emotional or cultural associations beyond literal meaning.
38. Consonance Repeated consonant sounds within or at ends.
39. Context Surrounding information shaping meaning and interpretation.
40. Copyediting Editing for grammar, consistency, and clarity.
41. Counterargument Opposing viewpoint addressed within an argument.
42. Crescendo Gradual increase in intensity or emphasis.
43. Denotation Literal, dictionary meaning of a word.
44. Denouement Final unraveling after climax; loose ends tied.
45. Description Sensory detail creating vivid mental images.
46. Dialect Regional or social language variety in speech.
47. Dialogue Spoken exchange between characters in a narrative.
48. Diction Word choice and its effect on tone.
49. Dramatic irony Audience knows more than characters do.
50. Earnestness Sincere tone without irony or detachment.
51. Editing Revising content, structure, and language for improvement.
52. Elegy Poem mourning the dead or loss.
53. Ellipsis Omission of words; also the punctuation mark.
54. Enjambment Poetic line break without ending punctuation.
55. Epigraph Quoted passage at a work’s beginning.
56. Epiphany Sudden realization that changes understanding.
57. Epithet Descriptive phrase expressing a characteristic of someone.
58. Ethos Appeal to credibility or character of speaker.
59. Euphemism Milder term substituting for harsh one.
60. Exposition Background information needed to understand the story.
61. Fable Brief tale with moral, often with animals.
62. Falling action Events after climax leading toward resolution.
63. Figurative language Nonliteral expression: metaphor, simile, and more.
64. Flashback Scene set earlier than the current narrative time.
65. Foil Character contrasting another to highlight traits.
66. Foreshadowing Hints that suggest future events.
67. Free indirect style Third-person narration colored by character’s thoughts.
68. Genre Category defined by conventions and reader expectations.
69. Hook Opening element that grabs reader attention.
70. Hubris Excessive pride leading to downfall.
71. Hyperbole Deliberate exaggeration for emphasis or effect.
72. Imagery Language appealing to senses to create pictures.
73. In medias res Story begins in the middle of action.
74. Inference Conclusion drawn from evidence and reasoning.
75. Irony Meaning contrasts with expectation or stated words.
76. Jargon Specialized vocabulary of a group or field.
77. Juxtaposition Placing elements side-by-side for contrast.
78. Line edit Editing for style, flow, and readability.
79. Logos Appeal to logic, reason, and evidence.
80. Metaphor Implied comparison stating one thing is another.
81. Meter Pattern of stressed and unstressed syllables.
82. Metonymy Substitution using a related name or attribute.
83. Mood Emotional atmosphere created for the reader.
84. Motif Recurring element reinforcing a theme.
85. Narrative Account of events arranged to tell a story.
86. Narrator Voice telling the story; not always the author.
87. Onomatopoeia Word imitating a sound it represents.
88. Oxymoron Paired contradictory terms creating new meaning.
89. Pacing Speed and rhythm of narrative progression.
90. Paradox Seeming contradiction revealing a deeper truth.
91. Parallelism Balanced grammatical structure across phrases or clauses.
92. Pathos Appeal to emotion to persuade or move.
93. Persona Adopted voice or character of the speaker.
94. Personification Attributing human qualities to nonhuman things.
95. Plot Sequence of events linked by cause and effect.
96. Point of view Perspective from which the story is told.
97. Prose Ordinary writing without metrical structure.
98. Protagonist Main character pursuing goals through conflict.
99. Pun Wordplay exploiting multiple meanings or similar sounds.
100. Red herring Misleading clue diverting attention from truth.

100 Words Every Harry Potter Fan Should Know

No. Term Definition
1. Accio Summoning Charm; brings an object to caster.
2. Alohomora Unlocking Charm; opens locked doors and objects.
3. Animagus Wizard who transforms into an animal at will.
4. Apparition Magical teleportation by disappearing and reappearing instantly.
5. Arithmancy Divination using numbers to interpret magical patterns.
6. Auror Dark wizard catcher employed by the Ministry.
7. Avada Kedavra Killing Curse; causes instant death.
8. Azkaban Wizard prison guarded by Dementors.
9. Basilisk Giant serpent whose gaze kills.
10. Beauxbatons French wizarding school; Triwizard Tournament competitor.
11. Boggart Shapeshifter that becomes your worst fear.
12. Butterbeer Popular sweet wizarding drink served in pubs.
13. Centaurs Forest-dwellers skilled in archery and star-reading.
14. Chaser Quidditch player who scores with the Quaffle.
15. Cho Chang Ravenclaw student; Seeker; Harry’s first crush.
16. Cloak of Invisibility Hallows cloak that hides wearer completely.
17. Crucio Cruciatus Curse; inflicts extreme pain.
18. Death Eater Voldemort’s follower dedicated to pure-blood supremacy.
19. Deathly Hallows Three legendary artifacts: wand, stone, cloak.
20. Deluminator Device that captures and releases light.
21. Dementor Soul-sucking creature causing despair and cold.
22. Diagon Alley Hidden London street for wizarding shops.
23. Dobby House-elf who helps Harry and seeks freedom.
24. Dragon Dangerous magical reptile; guarded Gringotts vaults.
25. Durmstrang Northern wizarding school known for harsh training.
26. Elder Wand Most powerful wand; one of the Hallows.
27. Expelliarmus Disarming Charm; knocks wand from opponent.
28. Fawkes Dumbledore’s phoenix; heals and carries heavy loads.
29. Felix Felicis Luck potion; grants temporary good fortune.
30. Fidelius Charm Hides secret within a chosen Secret-Keeper.
31. Firenze Centaur who teaches Divination at Hogwarts.
32. Floo Network Fireplace travel system using Floo Powder.
33. Forbidden Forest Hogwarts woodland filled with dangerous magical creatures.
34. Galleon Gold wizarding coin; used in magical currency.
35. Gellert Grindelwald Dark wizard; Dumbledore’s former friend and rival.
36. Ghoul Noisy magical creature often living in attics.
37. Goblet of Fire Magical artifact selecting Triwizard champions.
38. Godric Gryffindor Gryffindor founder; famed for bravery and sword.
39. Golden Snitch Tiny winged ball; ends Quidditch when caught.
40. Gryffindor Hogwarts house valuing bravery and nerve.
41. Hagrid Hogwarts gamekeeper; half-giant; friend to Harry.
42. Half-Blood Wizard with mixed magical and Muggle ancestry.
43. Hermione Granger Muggle-born witch; brilliant student; Harry’s friend.
44. Hogsmeade All-wizard village near Hogwarts; weekend destination.
45. Hogwarts School of Witchcraft and Wizardry in Scotland.
46. Horcrux Dark object containing a fragment of soul.
47. House-elf Magical servant bound to a wizarding household.
48. Howler Screaming magical letter delivering public reprimand.
49. Imperio Imperius Curse; controls another person’s actions.
50. Invisibility Cloak Cloak that renders wearer unseen.
51. Jinx Minor dark spell causing nuisance or harm.
52. Keeper Quidditch goalkeeper who defends the hoops.
53. Knight Bus Magical bus transporting stranded witches and wizards.
54. Legilimency Magic to read or probe another’s mind.
55. Lily Potter Harry’s mother; her sacrifice protected him.
56. Lord Voldemort Dark Lord; Tom Riddle’s chosen name.
57. Lovegood, Luna Ravenclaw student; dreamy, brave, and loyal friend.
58. Marauder’s Map Map showing Hogwarts and everyone’s locations.
59. Muggle Non-magical person unaware of wizarding world.
60. Muggle-born Wizard born to two non-magical parents.
61. Nagini Voldemort’s snake; later revealed as a Horcrux.
62. Neville Longbottom Gryffindor student who grows into a hero.
63. Occlumency Magic to shield mind against intrusion.
64. Ollivanders Famous wand shop; “the wand chooses the wizard.”
65. Order of the Phoenix Secret group opposing Voldemort and Death Eaters.
66. Parseltongue Ability to speak with snakes.
67. Patronus Protective charm-form repelling Dementors.
68. Pensieve Basin for viewing stored memories.
69. Perkamentus Dumbledore’s name in some translations.
70. Phoenix Immortal bird that burns and is reborn.
71. Polyjuice Potion Potion that temporarily changes your appearance.
72. Portkey Enchanted object transporting touchers to a destination.
73. Prefect Student leader granted authority and responsibilities.
74. Privet Drive Dursleys’ street; Harry’s Muggle home address.
75. Prophecy Foretelling that influences Voldemort and Harry’s fate.
76. Quaffle Red Quidditch ball used to score goals.
77. Quidditch Wizarding sport played on broomsticks.
78. Ravenclaw Hogwarts house valuing wit and learning.
79. Remus Lupin Werewolf; Defence teacher; member of the Order.
80. Resurrection Stone Hallow stone that recalls shades of the dead.
81. Riddle, Tom Voldemort’s birth name; Hogwarts student once.
82. Ron Weasley Harry’s best friend; loyal Gryffindor wizard.
83. Room of Requirement Room that appears when needed; becomes what’s required.
84. Seeker Quidditch player who catches the Golden Snitch.
85. Severus Snape Potions master; complex double agent; Headmaster later.
86. Slytherin Hogwarts house valuing ambition and cunning.
87. Sorting Hat Hat that assigns students to Hogwarts houses.
88. Spell Magical incantation producing a specific effect.
89. Stag Patronus Harry’s Patronus form; also linked to his father.
90. Stupefy Stunning Spell; renders target unconscious or immobile.
91. Thestral Winged horse seen only by those who’ve seen death.
92. Time-Turner Device enabling limited time travel.
93. Triwizard Tournament Dangerous interschool competition between three wizarding schools.
94. Unforgivable Curses Three banned curses: Imperio, Crucio, Avada Kedavra.
95. Voldemort Dark Lord seeking immortality and domination.
96. Wand Magical tool focusing spells; chooses its wizard.
97. Werewolf Human who transforms into wolf-like creature monthly.
98. Whomping Willow Violent Hogwarts tree that attacks intruders.
99. Wizengamot Wizarding high court and governing council.
100. Yule Ball Formal dance held during Triwizard Tournament.