exhalation

[ eks-huh-ley-shuhn, ek-suh- ]

noun

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

exhalation

/ ĕks′hə-lā′shən /

1. 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.
2. Also called expiration
3. Compare inhalation

Word History and Origins

Origin of exhalation¹

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

Example Sentences

Multiple, overlapping blows of whale exhalations echo off mountains that rise vertically out of glassy water.

From BBC

Their vocal cords did not close, and their abdominal muscles did not contract, as they normally do during exhalation for vocalization.

From Science Daily

While a brick home can resist the powerful exhalation of a wolf, it’s no match for wind-driven rain served up by a wicked storm.

From Seattle Times

In a long exhalation, she sets her dancers free.

From New York Times

Then, they used energy dissipation models to compare the seals' ability to warm and moisten air during inhalation and to reduce heat and moisture loss during exhalation.

From Science Daily