any of several portable apparatus for emergency use against fire
appliance designed to put out a fire when it is in the incipient stage. Types in common use are: extinguishers that expel water or a dilute chemical solution like soda acid, foam extinguishers, those that expel vapour-forming liquids or gases like carbon dioxide and dry powder extinguishers.
a portable or wheeled apparatus for putting out small fires by ejecting fire extinguishing agents that may consist of water alone, water and chemicals ... or chemicals alone ....
Depending on the hazards anticipated by the manufacturer when in use, machinery must, where its size permits:
- either allow easily accessible fire extinguishers to be fitted,
- or be provided with built-in extinguisher systems.
