EXPIRATION

Definitions

1. 1. The act of expiring; as: (a)(Physiol.)
2. 2. 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 Ant: inspiration.
3. 3. Emission of volatile matter; exhalation. The true cause of cold is an expiration from the globe of the earth. Bacon.
4. 4. The last emission of breath; death. "The groan of expiration." Rambler.
5. 5. A coming to a close; cessation; extinction; termination; end. Before the expiration of thy time. Shak.
6. 6. That which is expired; matter breathed forth; that which is produced by breathing out, as a sound. The aspirate "he," which is . . . a gentle expiration. G. Sharp.