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coffinite

American

[kaw-fi-nahyt, kof-i-] / ˈkɔ fɪ naɪt, ˈkɒf ɪ- /

noun

a mineral, black uranous silicate, USiO 4 , an important ore of uranium.

Etymology

Origin of coffinite

First recorded in 1950–55; coffin + -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.