Dictionary
Thesaurus
Encyclopedia
Translator
Web
Nearby Words

u238

 - 2 dictionary results

uranium 238

–noun Chemistry.
the radioactive uranium isotope having a mass number 238, comprising 99.28 percent of natural uranium: used chiefly in nuclear reactors as a source of the fissionable isotope plutonium 239.
Also called U-238, U 238.


Origin:
1940–45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To u238
Search another word or see u238 on Thesaurus | Reference
FacebookTwitterFollow us: