(originally) †power obtained from or affecting an atom (obsolete); (now) spec. = nuclear power n. (a) at nuclear, adj. n.compounds 2a.
| 单词 | θ79744 |
| 释义 | the world > matter > physics > atomic nucleus > nuclear fission > [noun] > energy from heavy elements (6) atomic power1824 (originally) †power obtained from or affecting an atom (obsolete); (now) spec. = nuclear power n. (a) at nuclear, adj. n.compounds 2a. atomic energy1854 the energy of or within atoms; spec. the energy released by the fission of the atomic nuclei of certain heavy elements such as uranium-235 and… nuclear energy1927 (a) the energy present within atomic nuclei or possessed by their components; (b) the energy produced during fission or fusion reactions of atomic… nuclear power1945 (a) electric or motive power generated by a nuclear reactor; (b) Politics a country possessing nuclear weapons. nuclear1975 Nuclear power, esp. as an energy source. Subcategories:— U.K. authority (1) |
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