The workplace safety glossary.
Clear definitions for EHS leaders, safety engineers, and operations teams building a more proactive safety program with AI-powered site intelligence.
- Read definitionDefinition
Near Miss
A near miss is an unplanned event or unsafe condition that did not cause injury, illness, or damage but had clear pot…
- Read definitionDefinition
Ergonomics
Ergonomics is the science of designing jobs, equipment, tools, and work environments to fit workers' physical and cog…
- Read definitionDefinition
Safety Zone
A safety zone is a clearly designated physical or virtual area that separates workers from specific hazards such as v…
- Read definitionDefinition
TRIR
TRIR, or Total Recordable Incident Rate, measures the number of OSHA recordable workplace incidents per 100 full-time…
- Read definitionDefinition
Behavior-Based Safety
Behavior-Based Safety (BBS) is a proactive safety approach that observes, measures, and improves worker behaviors lin…
- Read definitionDefinition
EHS
EHS stands for Environment, Health, and Safety, the integrated discipline responsible for protecting workers, communi…
- Read definitionDefinition
Manual Handling
Manual handling is any task where a person transports or supports a load using hand or bodily force, including liftin…
- Read definitionDefinition
Safety Management System
A safety management system (SMS) is a structured framework for identifying, assessing, controlling, and continuously …
- Read definitionDefinition
Lockout Tagout
Lockout tagout (LOTO) is an energy control procedure that isolates dangerous machines from electrical, mechanical, hy…
- Read definitionDefinition
Line of Fire
Line of fire describes the path where a worker could be struck by moving objects, falling loads, swinging equipment, …
- Read definitionDefinition
Computer Vision
Computer vision is a field of artificial intelligence that enables computers to interpret images, video, and camera f…
- Read definitionDefinition
HAZOP
HAZOP, or Hazard and Operability Study, is a structured risk assessment technique used to identify hazards and operab…
- Read definitionDefinition
Lost Time Injury
A Lost Time Injury (LTI) is a work-related injury or illness that prevents an employee from working their next schedu…
- Read definitionDefinition
DART Rate
DART Rate measures OSHA-recordable work-related injuries and illnesses that result in Days Away from work, Restricted…
- Read definitionDefinition
Leading Indicators
Leading indicators are proactive safety measures that show whether an organisation is controlling risk before an inju…
- Read definitionDefinition
Unsafe Acts and Unsafe Conditions
Unsafe acts and unsafe conditions are two related categories of workplace risk. Unsafe acts are behaviours that incre…
- Read definitionDefinition
Safety Observation
A safety observation is a structured process for watching work, recording safe and at-risk behaviours, and giving tim…
- Read definitionDefinition
Safety Triangle
The safety triangle, also called Heinrich's Triangle or the accident pyramid, is a prevention model showing that seri…
- Read definitionDefinition
Lone Worker
A lone worker is a person who works by themselves without close or direct supervision, including isolated workers on …
- Read definitionDefinition
Risk Assessment
A risk assessment is a structured safety process used to identify hazards, decide who could be harmed and how, evalua…
Turn any term into a toolbox talk.
Generate a job- and hazard-specific toolbox talk your crew can run on the floor — built from the same safety topics defined here.