zircon zircofluoride • zirconate · · · Info · Definitions · Synonyms · Characters · · zircon · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent. Synonyms: zirconium silicate. · · Noun Definition 1 Synonyms · · · zirconium silicate · · Synonym 1 Characters · · c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 z latin small letter z U+007A