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cobalt 60
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noun Chemistry.
a radioactive isotope of cobalt having a mass number of 60 and a half-life of 5.2 years, used chiefly in radiotherapy.
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Origin of cobalt 60
First recorded in 1945–50
Words nearby cobalt 60
coaxial cable, cob, cobaea, cobalamin, cobalt, cobalt 60, cobaltammine, cobalt bloom, cobalt blue, cobalt bomb, cobalt green
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cobalt 60 in a sentence
Cultural definitions for cobalt 60
cobalt 60
[ (koh-bawlt) ]
A radioactive isotope produced when neutrons bombard atoms of the element cobalt.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.