| acapnia | (noun) a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing | Synonyms: hypocapnia |
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| acapnial | (adjective) relating to or demonstrating acapnia | Synonyms: acapnic, acapnotic |
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| agrypnia | (noun) a vigil before certain feasts (as e.g. Easter) | - |
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| hypercapnia | (noun) the physical condition of having the presence of an abnormally high level of carbon dioxide in the circulating blood | Synonyms: hypercarbia |
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| hypocapnia | (noun) a state in which the level of carbon dioxide in the blood is lower than normal; can result from deep or rapid breathing | Synonyms: acapnia |
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