Etymology From Latin nū̆cleus, a contraction of the adjective nuculeus, masculine of feminine nuculea (“pertaining to a small nut”) from nucula + adjectival suffix -eus, -ea, -eum. The Latin nucula + -āris adds up to nuculāris, a term that in English becomes nucular; the Latin nuculea + -āris, becomes Latin nuculeāris (“relative to what pertains to small nut”), later contracted into nuclear. By surface analysis, nucleus + -ar. Compare muscle and Latin mūsculus; muscular and mūsculāris.
Involving energy released by nuclear reactions (fission, fusion, radioactive decay).
a nuclear reactor
nuclear technology
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Relating to a weapon that derives its force from rapid release of energy through nuclear reactions.
a nuclear explosion
a nuclear power
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Having nuclear weapons.
They will blame him for pursuing the ideological aim of destruction of Israel – something many Iranians don't support. They will blame him for what they perceive as a folly – his belief that achieving nuclear status would render his regime invincible.2025 June 26, Kasra Naji, “When Iran's supreme leader emerges from hiding he will find a very different nation”, in BBC:
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Broadly, Figuratively, Of a solution or response Involving an extreme course of action, or one with severe consequences.
nuclear option, nuclear solution
The states begging for aid get turned away; and sharp cuts in government employment, spending, and, eventually, pension payments are the only alternative future, beyond the nuclear solution of defaulting on our debt.2011, Todd Lipscomb, Re-Made in the USA, →ISBN:
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The nuclear approach is the simpler of the two. When two constraints conflict, you can kill one of them.2013, Erica Sadun, iOS Auto Layout Demystified, →ISBN, page 150:
We’ve now had 20 years of cautionary tales about replyallpocalypses. For the sake of workplace harmony: keep your pointer off the nuclear button.2017 February 3, Elle Hunt, “When is it appropriate to reply all? Mostly never”, in The Guardian:
Republicans have taken the historic step of triggering the so-called "nuclear option" to change the rules of the Senate and push through Donald Trump's pick for the Supreme Court, after Democrats blocked the nomination.2017 April 6, Mythili Sampathkumar, “Democrats filibuster forces Republicans to use 'nuclear option to confirm Trump's Supreme Court pick”, in The Independent:
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Biology, Natural sciences Pertaining to the nucleus of a cell.
However, the DNA in a bacterial cell is a single circular molecule and there is no separate nuclear compartment.2011, Terence Allen, Graham Cowling, The Cell: A Very Short Introduction, Oxford, page 17:
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Archaic Pertaining to a centre around which something is developed or organised; central, pivotal.
Nuclear Polynesian languages include Hawaiian and Samoan.
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Relating to, being of, or comprising the nuclear family.
Somehow it is much easier to convey the emotions of gayness — the feelings of outsideness —through anthropomorphism. Gay poet and limerist Edward lear uses animals and creatures perfectly this way […] Even the Muppets — as mainstream and heterosexual as some of them may be — are favorites among many gay men […] Look at Mr. Toad in The Wind in the Willows, such a silly, pompous queen, and even Randall Jarrell's The Animal Family has a lot to say about non-human and non-nuclear arrangements.1986 December 7, Michael Bronsky, “Gay Man's Dream Realized in Benefit Production of archy and mehitabel"”, in Gay Community News, volume 14, number 21, page 7:
Etymology From Latin nū̆cleus, a contraction of the adjective nuculeus, masculine of feminine nuculea (“pertaining to a small nut”) from nucula + adjectival suffix -eus, -ea, -eum. The Latin nucula + -āris adds up to nuculāris, a term that in English becomes nucular; the Latin nuculea + -āris, becomes Latin nuculeāris (“relative to what pertains to small nut”), later contracted into nuclear. By surface analysis, nucleus + -ar. Compare muscle and Latin mūsculus; muscular and mūsculāris.
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Nuclear power.
The growth in wind capacity at first lagged behind the expansion of nuclear installations, but then it started to grow faster and is now outpacing nuclear.2015, Vital Signs Volume 22: The Trends That Are Shaping Our Future, The Worldwatch Institute:
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Nuclear weapon
Admiral Burke believed that we would be able to beat off an amphibious attack, even if staged in conjunction with heavy aerial bombing, long enough to refer back to Washington and obtain authorization to use nuclears.1958, Foreign Relations of the United States (page 118):