gas-helmet
Definition
Noun: A type of protective headgear designed to filter out poisonous gases, typically used in military contexts or industrial environments. It is a historical or technical term for a gas mask, specifically one that covers the head and face.
Usage Examples
- (A protective head covering for gas warfare.)
- (An old-fashioned gas mask on exhibit.)
Advanced Usage
"to wear a gas-helmet": to use such protective equipment.
- The firefighter wore a gas-helmet while entering the chemical spill zone. (He used a gas mask for safety.)
"to issue gas-helmets": to distribute these items to personnel.
- The army issued gas-helmets to all troops before the battle. (They gave out protective headgear.)
Variants and Related Words
- Gas mask (n): a more common modern term for a device that filters out harmful gases, often covering the face rather than the entire head.
- Every household kept a gas mask in case of an air raid. (A similar but more modern protective device.)
- Helmet (n): a hard or protective head covering.
- He wore a helmet for cycling. (A general head protector, not specific to gas.)
Synonyms
- Respirator: a device worn over the mouth and nose to filter out airborne contaminants.
- Protective hood: a head covering that shields against chemical agents.
Phrasal Verbs
Related Idioms