noun \ˌek-spə-ˈrā-shən\

Definition of EXPIRATION

a (1) : the act or process of releasing air from the lungs through the nose or mouth : exhalation (2) : the escape of carbon dioxide from the body protoplasm (as through the blood and lungs or by diffusion) b archaic : the last emission of breath : death
: something produced by breathing out

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