| No. | Item | Definition |
|---|---|---|
| 1. | accountability | Tracking personnel at incidents |
| 2. | AED | Device delivering lifesaving shock |
| 3. | air cylinder | Compressed air tank |
| 4. | alarm | Warning signal for danger |
| 5. | apparatus | Fire department vehicle or equipment |
| 6. | arson | Criminal act of setting fire |
| 7. | attack | Direct action against fire |
| 8. | axe | Cutting and striking tool |
| 9. | backdraft | Explosive ignition from fresh air |
| 10. | blaze | Large, intense fire |
| 11. | booster line | Small hose for quick attack |
| 12. | boots | Protective footwear |
| 13. | brushfire | Fire in brush or grass |
| 14. | burn | Injury caused by heat |
| 15. | captain | Company officer rank |
| 16. | carabiner | Metal clip for rope systems |
| 17. | chief | Senior fire department leader |
| 18. | collapse | Sudden structural failure |
| 19. | command | Person directing the incident |
| 20. | containment | Keeping fire from spreading |
| 21. | CPR | Emergency chest compressions and breaths |
| 22. | crew | Team working together |
| 23. | detector | Device sensing smoke or heat |
| 24. | discharge | Water leaving a pump |
| 25. | dispatch | Send responders to an incident |
| 26. | downed wire | Fallen energized electrical line |
| 27. | drafting | Drawing water from a source |
| 28. | ember | Glowing piece of burning material |
| 29. | engine | Fire truck carrying hose and pump |
| 30. | evacuate | Leave a dangerous area |
| 31. | evacuation | Removal of people from danger |
| 32. | exposure | Nearby property threatened by fire |
| 33. | exterior | Outside a structure |
| 34. | extinguisher | Portable device for putting out fires |
| 35. | extrication | Removing trapped people safely |
| 36. | facepiece | Mask attached to air pack |
| 37. | fire | Combustion producing heat, light, and flames |
| 38. | flame | Visible burning gas |
| 39. | flammable | Easily set on fire |
| 40. | flashover | Room erupts into full fire |
| 41. | foam | Fire suppressant for fuel fires |
| 42. | fog stream | Water spray of fine droplets |
| 43. | forcible entry | Gaining entry by force |
| 44. | gasoline | Highly flammable liquid fuel |
| 45. | gloves | Protective hand coverings |
| 46. | halligan | Prying and forcible entry bar |
| 47. | hazmat | Hazardous materials incident |
| 48. | heat | Thermal energy from fire |
| 49. | helmet | Protective headgear |
| 50. | hose | Flexible tube for water |
| 51. | hotspot | Area of lingering heat |
| 52. | humidity | Amount of moisture in air |
| 53. | hydrant | Street water outlet for firefighting |
| 54. | ignition | Start of combustion |
| 55. | incident | Emergency event requiring action |
| 56. | intake | Water entering a pump |
| 57. | interior | Inside a structure |
| 58. | ladder | Climbing equipment for access |
| 59. | master stream | Large-volume water stream |
| 60. | mayday | Urgent distress call |
| 61. | natural gas | Flammable gas in buildings |
| 62. | nozzle | Hose attachment shaping water flow |
| 63. | occupant | Person inside a building |
| 64. | officer | Leader supervising firefighters |
| 65. | overhaul | Checking for hidden fire |
| 66. | oxygen | Gas needed for breathing |
| 67. | PASS device | Alarm for motionless firefighter |
| 68. | pike pole | Long pole with hook |
| 69. | pressure | Force of water flow |
| 70. | primary search | Initial victim search |
| 71. | propane | Flammable gas used as fuel |
| 72. | pump | Machine moving water under pressure |
| 73. | radio | Communication device for crews |
| 74. | rekindle | Start burning again |
| 75. | relay | Pumping water through multiple engines |
| 76. | rescue | Save someone from danger |
| 77. | response | Action taken after an alarm |
| 78. | rope | Strong line for rescue |
| 79. | salvage | Protecting property from damage |
| 80. | scene | Location of the emergency |
| 81. | search | Look for victims inside |
| 82. | secondary search | Follow-up search for victims |
| 83. | smoke | Airborne particles from burning material |
| 84. | sprinkler | Automatic fire suppression device |
| 85. | staging | Area for waiting resources |
| 86. | structure fire | Fire in a building |
| 87. | suppression | Actions to control a fire |
| 88. | tanker | Truck carrying large water supply |
| 89. | tool | Handheld equipment for work |
| 90. | toxic | Poisonous or harmful |
| 91. | triage | Prioritizing patients by severity |
| 92. | truck | Fire apparatus for tools and ladders |
| 93. | turnout gear | Protective firefighting clothing |
| 94. | valve | Device controlling fluid flow |
| 95. | ventilation | Removing heat and smoke |
| 96. | water | Primary extinguishing agent |
| 97. | weather | Outdoor conditions affecting operations |
| 98. | wildfire | Uncontrolled fire in vegetation |
| 99. | wind | Moving air affecting fire spread |
| 100. | wrench | Tool for turning fittings |