noun Date: 1526 1. the last emission of breath ; death , b. the act or process of releasing air from the lungs through the nose or mouth ; exhalation , the escape of carbon dioxide from the body protoplasm (as through the blood and lungs or by diffusion), the fact of coming to an end or the point at which something ends ; termination
EXPIRATION
Meaning of EXPIRATION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012