1846, "of or like the nucleus of a cell," from nucleus + -ar, probably by influence of French 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.
例文
1. It will produce electricity more cheaply than a nuclear plant.
その発電コストは原子力発電所よりも低い。
2. Nuclear weapons plants across the country are heavily contaminated with toxic wastes.
全国の核兵器工場が有毒廃棄物によって深刻な汚染を受けている。
3.They have removed all tactical nuclear missiles that could strike Europe.
彼らはすでにヨーロッパを攻撃できる戦術核ミサイルをすべて撤去している。
4.The Partial Test-Ban Treaty bans nuclear testing in the atmosphere.＜一部核実験禁止条約＞大気圏での核実験を禁止した。
5.He campaigned for peace and against the spread of nuclear weapons.