AllFirefighter Glossary (A–Z)
Practical definitions for Fireground operations, EMS/medical, Hazmat/CBRN, and SCBA/apparatus terminology.
76Published terms
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Browse terms by operational domain.
Fireground Operations
Core tactics, command, suppression, ventilation, search, and water supply terminology used on the fireground.
EMS & Medical
Patient care, assessment, interventions, triage, and EMS system terms commonly used by firefighter/medics.
Apparatus, Gear & SCBA
PPE, SCBA, apparatus components, hose, nozzles, tools, and operational equipment terminology.
Hazmat & CBRN
Hazardous materials, decon, isolation zones, UN/ERG concepts, and CBRN terminology.
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