AllFirefighter Glossary (A–Z)

Practical definitions for Fireground operations, EMS/medical, Hazmat/CBRN, and SCBA/apparatus terminology. Search a term or open a hub below.

212Published terms

chemical exposure assessmentNew contaminated personnelNew decontamination zoneNew intranasal medicationNew

4Categories

Fireground Operations79 EMS & Medical74 Hazmat & CBRN36 Apparatus, Gear & SCBA23

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Glossary Hubs

Your glossary is organized into a few focused hubs to keep navigation clean. Each hub includes quick links to relevant tools.

Fireground Operations

Core tactics, command, suppression, ventilation, search, and water supply terminology used on the fireground.

79

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Tools:

Hydrant FinderHydrant Flow CalculatorFire Flow CalculatorFriction Loss CalculatorAll Tools

EMS & Medical

Patient care, assessment, interventions, triage, and EMS system terms commonly used by firefighter/medics.

74

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Tools:

EMS LocatorShift Schedule CalculatorCPAT Pacing CalculatorFirefighter BMI CalculatorAll Tools

Hazmat & CBRN

Hazardous materials, decon, isolation zones, UN/ERG concepts, and CBRN terminology.

36

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Tools:

SCBA Air Time CalculatorFire Watch Log GeneratorPDP CalculatorAll Tools

Apparatus, Gear & SCBA

PPE, SCBA, apparatus components, hose, nozzles, tools, and operational equipment terminology.

23

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Tools:

SCBA Air Time CalculatorAerial Ladder Reach CalculatorFriction Loss CalculatorPDP CalculatorAll Tools

Browse A–Z

Jump to a letter to view all published terms that start with it.

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Recently Updated

Fresh definitions and operational notes, prioritized by most recently added.

chemical exposure assessmentOpen definition and related operational context.contaminated personnelOpen definition and related operational context.decontamination zoneOpen definition and related operational context.intranasal medicationOpen definition and related operational context.pediatric resuscitationOpen definition and related operational context.fireground coordinationOpen definition and related operational context.biological agentOpen definition and related operational context.chemical exposure limitOpen definition and related operational context.