pearlite
NounOpen English WordNet
Noun (1)
- a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast ironType of lamellar mixtureKinds granular pearlite, globular pearliteSubstance of cast iron, steelMade of ferrite, cementite
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Webster's Dictionary (1913)
Pearl′ite, Pearl′stone′ noun
Mineralogy 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.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54