radiothorium
American
[rey-dee-oh-thawr-ee-uhm, -thohr-]
/ ˌreɪ di oʊˈθɔr i əm, -ˈθoʊr- /
noun
Chemistry.
Etymology
Origin of radiothorium
From New Latin, dating back to 1920–25; see origin at radio-, thorium
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.
