GAS HELMET

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A protective mask with a filter; protects the face and lungs against poisonous gases

Synonyms:

gas helmet; gasmask; respirator

Classified under:

Nouns denoting man-made objects

Hypernyms ("gas helmet" is a kind of...):

mask (a protective covering worn over the face)

Credits