megaton

[ meg-uh-tuhn ]
/ ˈmɛg əˌtʌn /

noun

one million tons.
an explosive force equal to that of one million tons of TNT, as that of atomic or hydrogen bombs. Abbreviation: MT

Origin of megaton

First recorded in 1950–55; mega- + ton1

OTHER WORDS FROM megaton

meg·a·ton·ic [meg-uh-ton-ik] /ˌmɛg əˈtɒn ɪk/, adjectivemul·ti·meg·a·ton, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for megaton

  • Larch put off another entertainment of small stuff, with a fifty megaton thermonuclear, viewscreen-piloted, among them.

    Space Viking|Henry Beam Piper

British Dictionary definitions for megaton

megaton
/ (ˈmɛɡəˌtʌn) /

noun

one million tons
an explosive power, esp of a nuclear weapon, equal to the power of one million tons of TNTAbbreviation: mt

Derived forms of megaton

megatonic (ˌmɛɡəˈtɒnɪk), adjective
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