What does extinguisher mean?
An extinguisher is a device designed to put out fires, most commonly understood today as the portable red cylinder found in homes, offices, vehicles, and public buildings. Inside, it holds water, foam, dry chemical powder, or carbon dioxide, which is expelled under pressure to smother or cool flames. The word can also denote anything — or anyone — that extinguishes: in older usage it referred to a cone-shaped implement used to snuff out candles, and figuratively it may describe whatever quells a light, hope, or passion. Derived from the Latin stinguere, meaning to quench, via Old French and English extinguish, it entered common use as firefighting technology developed in the eighteenth and nineteenth centuries. Today the word carries practical, safety-oriented connotations, appearing on emergency signage and in building codes worldwide, and knowing how to use one remains a basic element of fire safety.
nounA device, typically a portable metal cylinder, that discharges water, foam, or a chemical agent to put out small fires. It can also mean a person or thing that extinguishes something, such as a candle snuffer.
- A portable device containing water, foam, powder, carbon dioxide, or another agent, discharged to put out small fires.
- A person or thing that extinguishes something; historically, a cone-shaped implement for snuffing out candles.
"The fire marshal checked that every floor of the building had a working extinguisher."
"She grabbed the extinguisher from the kitchen wall and smothered the grease fire before it spread."
"In the museum's collection sat an antique brass candle extinguisher, polished to a mirror shine."
Regular plural; commonly counted when describing buildings or equipment inventories.
"The regulations require at least two extinguishers on each floor of the warehouse."
The humble fire extinguisher traces its lineage back to 18th-century glass 'grenades' filled with saltwater — meant to be hurled straight into the flames.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of extinguisher
Extinguisher derives from the verb extinguish, which came into English from Old French estaincir (modern French éteindre), ultimately rooted in the Latin exstinguere, formed from ex- ('out') plus stinguere ('to quench'). The Latin root also gave rise to words such as distinct and instigate, sharing the sense of pressing or pricking apart. As a noun, extinguisher originally denoted an implement for putting out candles before extending to fire-fighting apparatus, with its modern sense established by the late eighteenth century as portable firefighting devices emerged.
Related word forms
How extinguisher is actually used
In modern English, "extinguisher" almost always means "fire extinguisher," and the shorter form is standard in everyday speech and signage. The older sense referring to a candle snuffer is now chiefly historical and encountered mainly in descriptions of antiques.
Easily confused with extinguisher
A distinguisher is something that sets things apart or identifies differences, whereas an extinguisher puts out fires or quenches flames.