expiration

An act, process, or instance of expiring.; The act or process of breathing out, or forcing air from the lungs through the nose or mouth.uncountable

• Holonym: respiration
• crackles heard on expiration

An act, process, or instance of expiring.; A single outward breath.countable

• labored expirations

An act, process, or instance of expiring.; Other similar release of volatile matter.countableuncountable

An act, process, or instance of expiring.; The last emission of breath; thus, synonym of death.countableeuphemisticuncountable

An act, process, or instance of expiring.; Any other (metaphorically comparable) cessation, extinction, or ending.countableuncountable

• expiration date

An act, process, or instance of expiring.; That which is produced by breathing out, as a sound.countableuncountable