exhaled air; exhalation; expiration
Technical term used in medical, physiological, or scientific contexts. Often contrasted with 吸気 (inhalation).
Antonyms: 吸気
Measure the amount of carbon dioxide in the exhaled air.
呼気と吸気を繰り返す。
Repeat exhalation and inhalation.
呼気 is the breath exhaled out, the direct opposite of 吸入, which is breath or substance drawn in.
breath test; breathalyzer test
Compound of 呼 (exhale, call) and 気 (air, spirit). The exact historical derivation is uncertain, but the term is a standard Sino-Japanese technical word.