Less than the normal level of carbon dioxide in the blood. The opposite of hypercapnia. The origin of the word “acapnia” is curious. It comes from the Greek “a-“ meaning “without” + “kapnos” meaning “smoke” so acapnia literally means “smokeless” referring to carbon dioxide which is a principal part of smoke.
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Absence of carbon dioxide in the blood; sometimes used erroneously for hypocapnia. [G. a- priv. + kapnos, smoke]

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acap·nia ə-'kap-nē-ə, (')ā-' n a condition of carbon dioxide deficiency in blood and tissues
acap·ni·al -əl adj

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a condition in which there is an abnormally low concentration of carbon dioxide in the blood. This may be caused by breathing that is exceptionally deep in relation to the physical activity of the individual.

Medical dictionary. 2011.

Look at other dictionaries:

  • acapnia — f. hemat. Disminución de la concentración de dióxido de carbono disuelto en la sangre. Medical Dictionary. 2011. acapnia disminución d …   Diccionario médico

  • acapnia — s. f. [Medicina] Diminuição do ácido carbônico no sangue …   Dicionário da Língua Portuguesa

  • acapnia — Medical condition in which there is a low concentration of carbon dioxide in the blood …   Dictionary of molecular biology

  • acapnia — acapnial, adj. /euh kap nee euh, ay kap /, n. Med. a deficiency of carbon dioxide in the blood and tissues. [1905 10; < NL < Gk ákapn(os) smokeless (a A 6 + kapnós smoke) + ia IA; NL sense from the fact that smoke contains carbon dioxide] * * * …   Universalium

  • acapnia — noun The state in which the level of carbon dioxide in the blood is lower than normal. Syn: hypocapnia Ant: hypercapnia …   Wiktionary

  • acapnia — ► sustantivo femenino MEDICINA Disminución de la cantidad de anhídrido carbónico en la sangre. SINÓNIMO hipocapnia * * * ► femenino Disminución del dióxido de carbono en la sangre; se le atribuye el sueño que sobreviene en las alturas o mal de… …   Enciclopedia Universal

  • acàpnia — a|càp|ni|a Mot Esdrúixol Nom femení …   Diccionari Català-Català

  • acapnia — 1a·ca·pnì·a s.f. TS med. riduzione del contenuto di anidride carbonica nel sangue Sinonimi: ipocapnia. {{line}} {{/line}} DATA: 1955. ETIMO: der. di capnia con 1a . 2a·cà·pnia s.f. TS arm. polvere da sparo che non emette fumo nel detonare, usata… …   Dizionario italiano

  • acapnia — acapnia1 pl.f. acapnie acapnia2 pl.f. acapnie …   Dizionario dei sinonimi e contrari

  • acapnia — É™ kæfnɪə n. lack of carbon dioxide in the blood (Medicine) …   English contemporary dictionary

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