nuclear cataract n.
A cataract involving, only the inner dense portion of the lens.
- Nuclear chemistry
noun 1. the branch of chemistry concerned with nuclear reactions
noun, Physics. 1. a photographic emulsion in the form of a thick block, used to record the tracks of elementary particles.
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.
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 […]