gelidity Gelidiaceae • Gelidium · · · Info · Definitions · Synonyms · Characters · · gelidity · · Text Latin · · Script 8 · · Length Definitions · · · (noun) coldness due to a cold environment. Synonyms: chill, iciness. · · Noun Definition 1 Synonyms · · · chill · · Synonym 1 iciness · · Synonym 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C t latin small letter t U+0074 y latin small letter y U+0079