Megaton weapon - definition of megaton weapon by The Free Dictionary
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A nuclear weapon, the yield of which is measured in terms of millions of tons of trinitrotoluene explosive equivalents. See also kiloton weapon; nominal weapon; subkiloton weapon.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive
Britain was desperate to have its own megaton weapon
before then, and launched Operation Grapple.
One example he cites is a letter he once found online from Glenn Seaborg to Robert McNamara, in which Seaborg provided hard numbers related to developing a 100 megaton weapon
This concept is now causing concern since current technology is believed to restrict penetration to around 15 metres of granite, at which depth a megaton weapon
would produce massive fallout.