H-bomb

[ eych-bom ]
/ ˈeɪtʃˌbɒm /
|

noun

Origin of H-bomb

An Americanism dating back to 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for h-bomb

H-bomb


noun

short for hydrogen bomb
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