2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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}.
From WordNet r 1.6 [wn]:
pearlite
n : a lamellar mixture of cementite and ferrite formed during
the cooling of austenite; a micro-constituent of steel
and cast iron
more about pearlite
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