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porphyrization

American

[pawr-fuh-ruh-zay-shuhn] / ˌpɔr fə rəˈzeɪ ʃən /

noun

reduction to a powder, formerly done on a slab of porphyry.

Etymology

Origin of porphyrization

First recorded in 1825–35; porphyrize + -ation

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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.