decongestant deconcentrator • decongestive · · · Info · Definitions · Characters · · decongestant · · Text Latin · · Script 12 · · Length 4 · · Syllables Definitions · · · (noun) a drug that decreases pulmonary congestion. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074