exhalation

[ eks-huh-ley-shuh n, ek-suh- ]
/ ˌɛks həˈleɪ ʃən, ˌɛk sə- /

noun

the act of exhaling.
something that is exhaled; vapor; emanation.

Origin of exhalation

1350–1400; Middle English exalacion < Latin exhālātiōn- (stem of exhālātiō). See exhale, -ation

Example sentences from the Web for exhalation

Medical definitions for exhalation

exhalation
[ ĕks′hə-lāshən, ĕk′sə- ]

n.

The act or an instance of breathing out. expiration
The giving forth of gas or vapor.
Something, such as air or vapor, that is exhaled.

Scientific definitions for exhalation

exhalation
[ ĕks′hə-lāshən ]

The act of breathing out air. During exhalation, the diaphragm relaxes and moves upward, causing compression of the lungs and an outward flow of air. Also called expiration Compare inhalation.