xerostomia xerostoma • xerotes · · · Info · Definitions · Synonyms · Characters · · xerostomia · · Text Latin · · Script 10 · · Length Definitions · · · (noun) abnormal dryness of the mouth resulting from decreased secretion of saliva. Synonyms: dry mouth. · · Noun Definition 1 Synonyms · · · dry mouth · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078