Hydrogen bomb

Hydrogen bomb
   Known as the H-bomb or super bomb, the hydrogen bomb was a development in thermonuclear weaponry that relied on fusion rather than the fission used in the atomic bomb and was a thousand times more powerful than original nuclear bombs. Although a number of advisers, including Albert Einstein and J. Robert Oppenheimer, counseled against it, on 31 January 1950 President Harry S. Truman announced that he had ordered the development of the hydrogen bomb. The first full H-bomb test took place on Eniwetok Atoll in the Pacific Ocean on 1 November 1952 following earlier tests in May 1951. The Soviet Union successfully tested its own H-bomb on 12 August 1954, and Great Britain and France followed soon afterward.

Historical Dictionary of the Roosevelt–Truman Era . . 2015.

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  • hydrogen bomb — ► NOUN ▪ a nuclear bomb whose destructive power comes from the fusion of isotopes of hydrogen (deuterium and tritium) …   English terms dictionary

  • hydrogen bomb — hydrogen .bomb n a very powerful ↑nuclear bomb …   Dictionary of contemporary English

  • hydrogen bomb — hydrogen ,bomb noun count an extremely powerful type of nuclear bomb …   Usage of the words and phrases in modern English

  • hydrogen bomb — noun a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium • Syn: ↑H bomb, ↑fusion bomb, ↑thermonuclear bomb • Hypernyms: ↑nuclear weapon, ↑atomic weapon, ↑bomb …   Useful english dictionary

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  • hydrogen bomb — UK / US noun [countable] Word forms hydrogen bomb : singular hydrogen bomb plural hydrogen bombs an extremely powerful type of nuclear bomb …   English dictionary

  • hydrogen bomb — Nuclear weapon Nu cle*ar wea pon, n. A weapon of great explosive power, such as an {atomic bomb} or a {hydrogen bomb}, which depends for most of its explosive power on the release of energy from within atomic nuclei by a nuclear reaction. A… …   The Collaborative International Dictionary of English

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