Word Study
Pearlite
WORDNET DICTIONARY
Noun Pearlite has 1 sense
CIDE DICTIONARY
Pearlite, n.
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]
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