follow Dictionary.com

What is the X in X-mas?

actinouranium

[ak-tin-oh-yoo-rey-nee-uh m, ak-tuh-noh-] /ækˌtɪn oʊ yʊˈreɪ ni əm, ˌæk tə noʊ-/
noun, Chemistry
Origin
1925-1930
1925-30; actino- + uranium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for actinouranium

actinouranium

/ˌæktɪnəʊjʊˈreɪnɪəm/
noun
1.
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
Cite This Source

Word of the Day

Difficulty index for actinouranium

Few English speakers likely know this word

Word Value for actinouranium

0
0
Scrabble Words With Friends