Expiration

Part of speech: noun (n.)

1. The act of expiring; as: (a)(Physiol.)

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. Emission of volatile matter; exhalation. The true cause of cold is an expiration from the globe of the earth. Bacon.

4. The last emission of breath; death. "The groan of expiration." Rambler.

5. A coming to a close; cessation; extinction; termination; end. Before the expiration of thy time. Shak.

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.