'Pearlite' definitions:
Definition of 'pearlite'
From: WordNet
noun
A lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron
Definition of 'Pearlite'
From: GCIDE
- Pearlite \Pearl"ite\, Pearlstone \Pearl"stone`\, n. (Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic. [1913 Webster]