nuclear

nuclear
nuclear (adj.) 1846, "of or like the nucleus of a cell," from NUCLEUS (Cf. nucleus) + -AR (Cf. -ar), probably by influence of Fr. nucléaire. Use in atomic physics is from 1914; of weapons, from 1945. Hence nuclear physics (1933), nuclear energy (1941), nuclear war (1954). Nuclear winter coined by Richard Turco, but first attested in article by Carl Sagan in "Parade" magazine, Oct. 30, 1983. General sense of "central" is from 1912. Nuclear family, originally a sociologists' term, is first attested 1949 in "Social Structure," by American anthropologist G.P. Murdock (1897-1985). Alternative adjective nucleal is recorded from 1840.

Etymology dictionary. 2014.

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  • nuclear — 1. adj. Perteneciente o relativo al núcleo. 2. Fís. Perteneciente o relativo al núcleo de los átomos. 3. Perteneciente o relativo a la energía producida por reacciones atómicas de fusión o fisión. 4. Que emplea energía nuclear. ☛ V. arma nuclear …   Diccionario de la lengua española

  • Nuclear — may refer to: Nuclear DNA In physics: Nuclear engineering Nuclear physics Nuclear power Nuclear reactor technology Nuclear weapon In mathematics: Nuclear space Nuclear operator Nuclear C* algebra See also Nucleus (disambiguation) Nucleolus… …   Wikipedia

  • Nuclear — Nu cle*ar, a. 1. of, pertaining to, or using {nuclear weapons}; a nuclear exchange, i.e. a reciprocal bombardment by nuclear weapons.. [PJC] 2. Of, pertaining to, or powered by atomic energy; same as {nuclear powered}; as, a nuclear submarine; a… …   The Collaborative International Dictionary of English

  • nuclear — adj. 2 g. 1. Relativo a núcleo (ex.: papel nuclear; sentido nuclear). 2.  [Física, Química] Relativo ao núcleo do átomo e à energia que dele provém (ex.: física nuclear; explosões nucleares). 3.  [Biologia] Relativo ao núcleo da célula. 4. … …   Dicionário da Língua Portuguesa

  • nuclear — UK US /ˈnjuːkliər/ US  /ˈnuːkliər/ adjective ► ENVIRONMENT, NATURAL RESOURCES, PRODUCTION relating to the power produced when the central part of an atom is divided or joined to another one: nuclear energy/power/fuel »The country had agreed to… …   Financial and business terms

  • nuclear — [no͞o′klē ər, nyo͞o′klē ər] adj. 1. of, like or forming a nucleus 2. of or relating to atomic nuclei [nuclear energy] 3. of, characterized by, or operated by the use of nuclear energy [nuclear weapons] 4. of, having, or involving nuclear weapons… …   English World dictionary

  • nuclear — NUCLEÁR, Ă, nucleari, e, adj. 1. Care aparţine nucleului atomic, privitor la nucleul atomic. ♢ Fizică nucleară = ramură a fizicii care se ocupă cu studiul nucleului atomic şi al fenomenelor în care nucleul are rolul principal. Chimie nucleară =… …   Dicționar Român

  • nuclear — adj. citol. y anat. Relativo al núcleo de una célula o de una estructura cualquiera. Medical Dictionary. 2011. nuclear …   Diccionario médico

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