| No. | Item | Definition |
|---|---|---|
| 1. | ABV | alcohol by volume |
| 2. | acetaldehyde | green-apple off-flavor compound |
| 3. | adjunct | non-malt fermentable ingredient |
| 4. | airlock | valve letting gas escape |
| 5. | ale | warm-fermented beer style |
| 6. | all-grain | brewing using only grain |
| 7. | attenuation | degree sugars are fermented |
| 8. | autolysis | yeast breakdown causing off-flavors |
| 9. | balanced | neither malt nor hops dominate |
| 10. | bitter | showing hop bitterness |
| 11. | body | perceived fullness in mouth |
| 12. | boil | heat wort vigorously |
| 13. | bottle bomb | overcarbonated exploding bottle |
| 14. | bottling | packaging beer into bottles |
| 15. | candi sugar | Belgian brewing sugar |
| 16. | carbonation | dissolved carbon dioxide level |
| 17. | carboy | large fermentation vessel |
| 18. | chiller | device cooling hot wort |
| 19. | clarity | how clear the beer looks |
| 20. | cold crash | chill beer to clarify |
| 21. | conditioning | maturing beer after fermentation |
| 22. | corn sugar | dextrose used for priming |
| 23. | decoction | boiled mash portion method |
| 24. | dextrin | unfermentable sugar chain |
| 25. | diacetyl | buttery fermentation off-flavor |
| 26. | diastatic | having starch-converting enzymes |
| 27. | DMS | cooked-corn aroma compound |
| 28. | dry hop | add hops after boiling |
| 29. | efficiency | how well sugars are extracted |
| 30. | enzymes | proteins driving mash reactions |
| 31. | ester | fruity fermentation aroma compound |
| 32. | extract | concentrated malt brewing syrup |
| 33. | false bottom | screen supporting grain bed |
| 34. | ferment | convert sugars into alcohol |
| 35. | fermentable | able to be fermented |
| 36. | FG | final gravity reading |
| 37. | finings | agents that clarify beer |
| 38. | flocculation | yeast clumping and settling |
| 39. | fusel | harsh higher alcohol |
| 40. | grain | base ingredient supplying starch |
| 41. | gravity | measure of wort density |
| 42. | grommet | rubber ring for airlock |
| 43. | growler | refillable beer carry jug |
| 44. | haze | cloudiness in beer |
| 45. | head | foam on top of beer |
| 46. | honey | fermentable bee-made sweetener |
| 47. | hoppy | showing hop character |
| 48. | hops | flowers adding bitterness and aroma |
| 49. | hopstand | steep hops after boil |
| 50. | hydrometer | tool measuring specific gravity |
| 51. | IBU | bitterness measurement scale |
| 52. | immersion chiller | coil used to cool wort |
| 53. | infection | unwanted microbial contamination |
| 54. | infusion | mash heated by added water |
| 55. | IPA | hoppy pale ale style |
| 56. | keg | metal container for beer |
| 57. | kegging | packaging beer into kegs |
| 58. | kettle | vessel used for boiling wort |
| 59. | krausen | foamy fermentation head |
| 60. | lactose | milk sugar adding sweetness |
| 61. | lager | cold-fermented beer style |
| 62. | lauter tun | vessel separating sweet wort |
| 63. | lees | sediment left after fermentation |
| 64. | malt | germinated grain for brewing |
| 65. | malty | showing grain sweetness |
| 66. | mash | mix grains with hot water |
| 67. | mashout | final hotter mash step |
| 68. | mouthfeel | texture sensation in mouth |
| 69. | off-flavor | undesired taste or aroma |
| 70. | OG | original gravity reading |
| 71. | oxidation | staling from oxygen exposure |
| 72. | phenolic | clove-like or medicinal character |
| 73. | pitch | add yeast to wort |
| 74. | plate chiller | heat exchanger for wort |
| 75. | primary | first fermentation stage |
| 76. | priming | adding sugar before bottling |
| 77. | protein rest | lower-temperature mash pause |
| 78. | rack | transfer beer off sediment |
| 79. | racking | transferring beer between vessels |
| 80. | refractometer | tool measuring sugar concentration |
| 81. | saccharification | starch conversion mash stage |
| 82. | sanitizer | agent that kills microbes |
| 83. | secondary | later fermentation stage |
| 84. | sparge | rinse grains to extract sugars |
| 85. | starter | small yeast growth batch |
| 86. | step mash | mash with temperature stages |
| 87. | strike water | water used to start mash |
| 88. | sucrose | table sugar used in brewing |
| 89. | thermometer | tool measuring temperature |
| 90. | trub | sediment from brewing process |
| 91. | tubing | flexible hose for transfers |
| 92. | underlet | add mash water from below |
| 93. | underpitch | add too little yeast |
| 94. | vorlauf | recirculate wort until it clears |
| 95. | whirlpool | circular stirring after boil |
| 96. | wine thief | tool for sampling from vessels |
| 97. | wort | unfermented beer before yeast |
| 98. | yeast | microbe that makes alcohol |
| 99. | zymase | enzyme complex in yeast |
| 100. | zymurgy | the science of fermentation |
