Dictionary.com

actinouranium

[ ak-tin-oh-yoo-rey-nee-uhm, ak-tuh-noh- ]
/ ækˌtɪn oʊ yʊˈreɪ ni əm, ˌæk tə noʊ- /
Save This Word!

noun Chemistry.

QUIZZES

QUIZ YOURSELF ON THE 12 TYPES OF VERB TENSES!

Loosen up your grammar muscles because it’s time to test your knowledge on verb tenses!
Question 1 of 6
The verb tenses can be split into which 3 primary categories?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of actinouranium

First recorded in 1925–30; actino- + uranium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for actinouranium

actinouranium
/ (ˌæktɪnəʊjʊˈreɪnɪəm) /

noun

the isotope of uranium that has a mass number of 235
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK