: a bomb whose violent explosive power is due to the sudden release of energy resulting from the splitting of nuclei of a heavy chemical element (such as plutonium or uranium) by neutrons in a very rapid chain reaction
called alsoatom bomb
2
: a nuclear weapon (such as a hydrogen bomb)
Example Sentences
Recent Examples on the WebRoosevelt never informed Vice President Truman about postwar plans or atomic bomb development. Edward Rothstein, WSJ, 6 Sep. 2022 In fact, radioactive fallout from nearby atomic bomb tests was found deep inside Yucca Mountain, showing that rainwater had percolated to the depth of the repository in under 50 years. Howard Lee, Ars Technica, 17 Aug. 2022 The actor ignored the nitty, gritty details of atomic bomb science while prepping to play Oppenheimer. Zack Sharf, Variety, 21 July 2022 The Indianapolis sank in July 1945 after being torpedoed by an Imperial Japanese Navy submarine during the Indianapolis’ top-secret mission to deliver atomic bomb components. Ryan Parker, The Hollywood Reporter, 20 June 2022 The actor and 75 other protestors were taken away in handcuffs after a demonstration at New Mexico's Los Alamos National Laboratory — the birthplace of the atomic bomb — on the 54th anniversary of the bombing of Nagasaki in 1999. Maria Yagoda, Peoplemag, 2 Aug. 2022 Universal has released a brief teaser for its upcoming Christopher Nolan movie Oppenheimer, in which Cillian Murphy plays J. Robert Oppenheimer, one of the fathers of the atomic bomb. Hilary Lewis, The Hollywood Reporter, 28 July 2022 Oppenheimer observed the Trinity test in New Mexico, where the first atomic bomb was detonated in July 1945. Jen Juneau, PEOPLE.com, 24 Feb. 2022 The test of the first Soviet atomic bomb changed that sense of complacency, and the US felt a new urgency to implement a centralized defense strategy. Frank O’brien, Ars Technica, 4 Jan. 2022 See More