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.
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.