exhalation exhalant • exhalatory · · · Info · Definitions · Synonyms · Characters · · exhalation · · Text Latin · · Script 10 · · Length Definitions · · · (noun) exhaled breath. Synonyms: halitus. · · Noun Definition 1 (noun) the act of expelling air from the lungs. Synonyms: expiration, breathing out. · · Noun Definition 2 Synonyms · · · halitus · · Synonym 1 expiration · · Synonym 2 breathing out · · Synonym 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 x latin small letter x U+0078