Nuclear chemistry
noun
1.
the branch of chemistry concerned with nuclear reactions
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noun, Physics. 1. a photographic emulsion in the form of a thick block, used to record the tracks of elementary particles.
- Nuclear-energy
noun 1. energy released by reactions within atomic nuclei, as in nuclear fission or fusion. noun 1. energy released during a nuclear reaction as a result of fission or fusion Also called atomic energy nuclear energy Energy obtained from nuclear reactions.
- Nuclear-family
noun 1. a social unit composed of two parents and one or more children. noun 1. (sociol, anthropol) a primary social unit consisting of parents and their offspring Compare extended family nuclear family n. A family unit consisting of a mother and father and their progeny. A type of family made up only of parents […]
- Nuclear-fission
noun 1. (def 2). noun 1. the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energy Sometimes shortened to fission Compare nuclear fusion
- Nuclear-free
adjective not having or allowing nuclear weapons or materials, esp. within a specified area; also, not having nuclear power Examples The city declared itself a nuclear-free zone.