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TOEFL BNC: 1221 COCA: 1176

nuclear

nuclear /ˈnuːklijɚ/ Brit /ˈnjuːklijə/ adjective
nuclear
/ˈnuːklijɚ/ Brit /ˈnjuːklijə/
adjective
Learner's definition of NUCLEAR
always used before a noun
: of, relating to, producing, or using energy that is created when the nuclei of atoms are split apart or joined together原子能的;核的;核能的
: having or involving nuclear weapons核武器的
: of or relating to the nucleus of an atom核子的;原子核的
TOEFL BNC: 1221 COCA: 1176

nuclear

adjective

nu·​cle·​ar ˈnü-klē-ər How to pronounce nuclear (audio) ˈnyü- How to pronounce nuclear (audio)
 nonstandard  -kyə-lər
1
: of, relating to, or constituting a nucleus
annexation of the suburban fringe by the nuclear metropolis W. H. Wickwar
2
a
: of or relating to the atomic nucleus
nuclear reaction
nuclear physics
b
: used in or produced by a nuclear reaction (such 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 plant
How do you pronounce nuclear?: Usage Guide

Though disapproved of by many, pronunciations ending in \-kyə-lər\ have been found in widespread use among educated speakers including scientists, lawyers, professors, congressmen, U.S. cabinet members, and at least two U.S. presidents and one vice president. While most common in the U.S., these pronunciations have also been heard from British and Canadian speakers.

Phrases
go nuclear
informal
: to become wildly excited or upset : to go berserk
To say the crowd went wild is an understatement. The crowd went nuclear. Outside the stadium, cars were overturned and fires were set. We sportswriters huddled inside, fearing for our lives. Tony Kornheiser

Example Sentences

Recent Examples on the Web North Korea’s constitution already proclaims the country to be a nuclear weapons state. Min Joo Kim, Washington Post, 9 Sep. 2022 The Washington Post previously reported that FBI agents who searched Trump’s home were looking, in part, for any classified documents relating to nuclear weapons. Devlin Barrett And Carol D. Leonnig, Anchorage Daily News, 7 Sep. 2022 Only nine countries are known to possess nuclear weapons. Frida Ghitis, CNN, 7 Sep. 2022 The Washington Post previously reported that FBI agents who searched Trump's home were looking, in part, for any classified documents relating to nuclear weapons. Devlin Barrett, BostonGlobe.com, 6 Sep. 2022 There have been suspicions that China and Russia haven’t fully enforced U.N. sanctions on North Korea, complicating a U.S.-led attempt to deprive North Korea of its nuclear weapons. Aamer Madhani, ajc, 6 Sep. 2022 Under Eisenhower, the U.S. sided with Egypt against Israel during the 1956 Suez crisis, and Kennedy focused his diplomatic efforts on an attempt to derail Israel’s drive for nuclear weapons. Walter Russell Mead, WSJ, 5 Sep. 2022 Biden believes an American re-entry into the deal will help curb Iran’s nuclear weapons ambitions. Benjamin Weinthal, Fox News, 5 Sep. 2022 Trump's regular intelligence briefings sometimes included discussions of nuclear weapons information, said Bolton, a lifelong conservative but now a Trump critic. Kathryn Watson, CBS News, 2 Sep. 2022 See More

Word History

Etymology

nucle(us) + -ar

First Known Use

1822, in the meaning defined at sense 1

Time Traveler
The first known use of nuclear was in 1822
TOEFL BNC: 1221 COCA: 1176

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