nuclear adj.

1841, "of or like the nucleus of a cell," from nucleus + -ar, probably by influence of French nucléaire. General sense of "central" is from 1912. In atomic physics, "of or belonging to the nucleus of an atom," from 1914; of weapons deriving their destructive power from nuclear reactions, by 1945.

Hence nuclear energy (1930), nuclear physics (1933), nuclear weapon (1947), nuclear war (1950; once in 1946 in reference to hypothetical attacks with nuclear rays). Nuclear winter was coined by U.S. atmospheric scientist Richard Turco but is first attested in article by Carl Sagan in "Parade" magazine, Oct. 30, 1983. Nuclear family, originally a sociologists' term, is first attested 1949 in "Social Structure," by American anthropologist G.P. Murdock (1897-1985).

The alternative adjective nucleal is recorded from 1840, probably from French. Also compare nucleic.

词汇	nuclear
词源	nuclear adj. 1841, "of or like the nucleus of a cell," from nucleus + -ar, probably by influence of French nucléaire. General sense of "central" is from 1912. In atomic physics, "of or belonging to the nucleus of an atom," from 1914; of weapons deriving their destructive power from nuclear reactions, by 1945. Hence nuclear energy (1930), nuclear physics (1933), nuclear weapon (1947), nuclear war (1950; once in 1946 in reference to hypothetical attacks with nuclear rays). Nuclear winter was coined by U.S. atmospheric scientist Richard Turco but is first attested in article by Carl Sagan in "Parade" magazine, Oct. 30, 1983. Nuclear family, originally a sociologists' term, is first attested 1949 in "Social Structure," by American anthropologist G.P. Murdock (1897-1985). The alternative adjective nucleal is recorded from 1840, probably from French. Also compare nucleic. Entries linking to nuclear nucleus n. 1704, "kernel of a nut;" 1708, "head of a comet;" from Latin nucleus "kernel," from nucula "little nut," diminutive of nux (genitive nucis) "nut," from PIE kneu- "nut" (source also of Middle Irish cnu, Welsh cneuen, Middle Breton knoen "nut," Old Norse hnot, Old English hnutu "nut"). The general sense of "central mass or thing, about which others cluster or matter collects," is from 1762. In biology, "dense, typically rounded structure in a cell, bounded by membranes," from 1831. Later they were found to contain the genetic material. Modern meaning in physics, "positively charged central core of an atom," is from 1912, by Ernest Rutherford, though theoretical use for "central point of an atom" is from 1844, in Faraday. -ar word-formation element meaning "pertaining to, of the nature of," from Latin -arem, -aris "of the kind of, belonging to," a secondary form (by dissimilation) of -alis, used after syllables with an -l- (such as insularis for insulalis, stellaris for *stellalis). nucleus (n.)-arnucleic (adj.)denuclearize (v.)mononuclear (adj.)nuke (n.)thermonuclear (adj.) updated on December 08, 2022
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nuclear adj.

Entries linking to nuclear