Topic: BIOLOGY
| Date: | 1700-1800 |
| Origin: | in- + -hale (as in exhale) |
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in‧hale
[intransitive and transitive]
[intransitive and transitive]
It is dangerous to inhale ammonia fumes. —inhalation
noun [uncountable]
WORD FOCUS: breathe
noun [uncountable] 
to breathe in: inhale formal
to breathe out: exhale formal
to breathe noisily: sniff, snore (when sleeping)
snort, sigh
to breathe with difficulty: gasp, pant, wheeze, be short of breath, be out of breath
to be unable to breathe: choke, suffocatebreathe
➔ See also breathe


