hypocapnia hypocalcemia • hypocarp · · · Info · Definitions · Synonyms · Antonyms · Characters · · hypocapnia · · Text Latin · · Script 10 · · Length 5 · · Syllables Definitions · · · (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. · · Noun Definition 1 Synonyms · · · acapnia · · Synonym 1 Antonyms · · · hypercapnia · · Antonym 0 hypercarbia · · Antonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 y latin small letter y U+0079