cobalt 60
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.
Words nearby cobalt 60
cob money, cob pie, cobaea, cobalamin, cobalt, cobalt 60, cobalt bloom, cobalt blue, cobalt bomb, cobalt green, cobalt violet deep
Origin of cobalt 60
First recorded in 1945–50
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cobalt 60
Nothing happened although the board showed the gauge's cobalt-60 beta and gamma still hot.
The Thirst Quenchers|Rick Raphael
Culture 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
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