[ eks-huh-ley-shuhn, ek-suh- ]
See synonyms for exhalation on Thesaurus.com
  1. the act of exhaling.

  2. something that is exhaled; vapor; emanation.

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Origin of exhalation

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

Words Nearby exhalation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use exhalation in a sentence

Scientific definitions for exhalation


[ ĕks′hə-lāshən ]

  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. Also called expiration Compare inhalation.

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