Meaning of PEARLITE in English

PEARLITE

[pearl.ite] n [F perlite, fr. perle pearl] (1888): the lamellar mixture of ferrite and cementite in slowly cooled iron-carbon alloys occurring normally as a principal constituent of both steel and cast iron -- pearl.it.ic adj

Merriam-Webster English vocab.      Английский словарь Merriam Webster.