olivine olivilin • olivine-andesite · · · Info · Definitions · Characters · · olivine · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) a mineral consisting of magnesium iron silicate; a source of magnesium. · · Noun Definition 1 Characters · · e latin small letter e U+0065 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 v latin small letter v U+0076