capno-, capn-, capnod-
(Greek: smoke; vapor; sooty [extended meaning is carbon dioxide])
Symptoms of acapnia include depressed respiration, giddiness, paresthesia (abnormal sensation like "burning"), cramps, involuntary contraction of the fingers, and occasionally convulsions.
Acapnea is a misspelling of acapnia.2. Etymology: from Latin acapnos, "without smoke"; from Greek akapnos, a-, "not" + kapnos, "smoke" (carbon dioxide).
2. Those who are nonsmokers: "Whenever these acapnotics came together in a restaurant, they openly expressed their dislike of anyone who was smoking near them."
2. A system for monitoring the concentration of exhaled carbon dioxide, consisting of a sensor placed in the breathing circuit or a tube that carries part of the exhaled gases to the analyzing device, a mass spectrometer or an infrared spectrometer, and devices to provide continuous visual (cathode ray tube) and graphic (printer) displays.
2. Breathing in the smoke of the sacrificial fire and making prophetic evaluations.
See the pages at this Capnomania-Fumimania link, Part 1 where you may see special images and information for a better understanding of smoking and smokers.
These words were coined by John G. Robertson in his book, An Excess of Phobias and Manias which was published in 2003 because they were not known to exist in any lexicon or other published source.