Definition of acapnia in English:

acapnia

noun

Biology Medicine
rare
  • Reduction of the level of carbon dioxide in the blood; = hypocapnia. Also: absence of carbon dioxide in the blood or in an organism's ambient atmosphere (rare).

Origin

Late 19th century. From Italian acapnia from ancient Greek ἄκαπνος without smoke + Italian -ia.

Pronunciation:

acapnia

/əˈkapnɪə/