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nuclear

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Merriam-Webster's Collegiate Dictionarynu·cle·ar \ˈnü-klē-ər, ˈnyü-, ÷-kyə-lər\ adjective DATE 18461. of, relating to, or constituting a nucleus2. a. of or relating to the atomic nucleus nuclear reaction nuclear physics b. used in or produced by a nuclear reaction (as fission) nuclear fuel nuclear waste nuclear energy c. (1) being a weapon whose destructive power derives from an uncontrolled nuclear reaction (2) of, produced by, or involving nuclear weapons the nuclear age nuclear war (3) armed with nuclear weapons nuclear powers d. of, relating to, or powered by nuclear energy a nuclear submarine the nuclear debate a nuclear plant3. crazy, berserk — usually used in the phrase go nuclearUsage. Though disapproved of by many, pronunciations ending in \-kyə-lər\ have been found in widespread use among educated speakers including scientists, lawyers, professors, congressmen, United States cabinet members, and at least two United States presidents and one vice president. While most common in the U.S., these pronunciations have also been heard from British and Canadian speakers.English Etymologynuclear 1846, "of or like the nucleus of a cell," from nucleus (q.v.), 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 (18971985).Oxford Advanced Learner's Dictionary-牛津双解-OALD7☞ nuclearnu·clear / 5nju:kliE(r); NAmE 5nu:- / adjective[usually before noun] 1. using, producing or resulting from nuclear energy 原子能的；核能的: a nuclear power station 核电站 the nuclear industry 原子能工业 nuclear-powered submarines 核动力潜艇 2. connected with weapons that use nuclear energy 核武器的: a nuclear weapon / bomb / missile 核武器；核弹；核导弹 a nuclear explosion / attack / war 核爆炸/攻击/战争 the country's nuclear capability (= the fact that it has nuclear weapons) 这个国家的核力量 nuclear capacity (= the number of nuclear weapons a country has) 核能力 3. (physics 物) of the nucleus (= central part) of an atom 核子的；原子核的: nuclear particles 核粒子 a nuclear reaction 核反应 Webster's Third New International Dictionary, Unabridgednu·cle·ar\ˈn(y)üklēə(r), ÷ -kyələ(r)\ adjectiveEtymology: International Scientific Vocabulary nucle- + -ar; originally formed as French nucléaire1. : of or relating to a nucleus : constituting or like a nucleus < annexation of the suburban fringe by the nuclear metropolis — W.H.Wickwar > < the oldest or nuclear parts of the continents — O.D.von Engeln > < nuclear budding >2. a. of an atom or group of atoms : attached directly to a nucleus or ring in a molecule b. : central I 1 — used of an atom or ion in a coordination complex3. a. : of or relating to the atomic nucleus < nuclear particle > < nuclear forces > < nuclear physics > < nuclear scientist > < nuclear structure > b. : of or relating to atomic energy < nuclear inventions > < nuclear studies > as (1) : being, involving, or relating to a weapon or missile that utilizes atomic energy (as in the atom bomb) < nuclear attack > < nuclear device > < nuclear war > (2) : being, propelled by, produced by, or relating to atomic power (as that produced by a reactor) < nuclear airplane > < nuclear engineering > < nuclear propulsion > < nuclear ship > < nuclear submarine >

Nuclear Relating Nucleus Atomic Energy Of Produced Weapons