[uh-kap-nee-uh, ey-kap-]

Origin of acapnia

1905–10; < New Latin < Greek ákapn(os) smokeless (a- a-6 + kapnós smoke) + -ia -ia; New Latin sense from the fact that smoke contains carbon dioxide
Related formsa·cap·ni·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

acapnia in Medicine


  1. A condition marked by the presence of less than the normal amount of carbon dioxide in the blood and tissues.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.