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megaton

noun

mega·​ton ˈme-gə-ˌtən How to pronounce megaton (audio)
: an explosive force equivalent to that of one million tons of TNT

Example Sentences

an atomic explosion with a force of several megatons
Recent Examples on the Web Scientists have long believed the Chicxulub asteroid smacked Earth near the Gulf of Mexico, causing about a 100-million-megaton blast devastating enough to erase the dinosaurs from Earth. Tim Newcomb, Popular Mechanics, 19 Aug. 2022 The use of megaton bombs to kill individuals meant, of course, that many hundreds of thousands of other people would also be killed. Jessica T. Mathews, The New York Review of Books, 20 Aug. 2020 The use of megaton bombs to kill individuals meant, of course, that many hundreds of thousands of other people would also be killed. Jessica T. Mathews, The New York Review of Books, 20 Aug. 2020 The use of megaton bombs to kill individuals meant, of course, that many hundreds of thousands of other people would also be killed. Jessica T. Mathews, The New York Review of Books, 20 Aug. 2020 The use of megaton bombs to kill individuals meant, of course, that many hundreds of thousands of other people would also be killed. Jessica T. Mathews, The New York Review of Books, 20 Aug. 2020 The use of megaton bombs to kill individuals meant, of course, that many hundreds of thousands of other people would also be killed. Jessica T. Mathews, The New York Review of Books, 20 Aug. 2020 Nuclear war planners anticipated the bunkers, which were dug into solid rock or embedded in concrete, with massive thermonuclear bombs of at least a megaton (1,000 kilotons) of TNT. Kyle Mizokami, Popular Mechanics, 6 Apr. 2021 The Obama administration was planning to retire this weapon, which is the last of the megaton-class bombs. Michael R. Gordon, WSJ, 24 Dec. 2020 See More

Word History

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of megaton was in 1952

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