デーモン・コア

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Japanese

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Japanese Wikipedia has an article on:
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Etymology

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Borrowed from English demon core.

Pronunciation

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  • IPA(key): [de̞ːmõ̞ŋ ko̞a̠]

Proper noun

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デーモン・コア • (Dēmon Koa) 

  1. demon core, a spherical subcritical mass of plutonium manufactured during World War II by the United States as a fissile core for an early atomic bomb
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