pearlite pearlish • pearlitic · · · Info · Definitions · Characters · · pearlite · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074