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pyrocrystalline

American

[pahy-ruh-kris-tl-in, -ahyn, -een] / ˌpaɪ rəˈkrɪs tl ɪn, -ˌaɪn, -ˌin /

adjective

Petrography.

crystallized from a molten magma or highly heated solution.

Etymology

Origin of pyrocrystalline

pyro- + crystalline

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.