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impsonite

American

[imp-suh-nahyt] / ˈɪmp səˌnaɪt /

noun

a black variety of asphaltite with a jagged fracture.

Etymology

Origin of impsonite

1900–05; named after Impson, valley in Oklahoma; -ite ¹

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.