Expiration

The act of expiring

The act or process of breathing out, or forcing air from the lungs through the nose or mouth; as, respiration consists of inspiration and expiration; -- opposed to inspiration.

Emission of volatile matter; exhalation.

The last emission of breath; death.

A coming to a close; cessation; extinction; termination; end.

That which is expired; matter breathed forth; that which is produced by breathing out, as a sound.