NUCLEAR

nuclear

(adjective) constituting or like a nucleus; “annexation of the suburban fringe by the nuclear metropolis”; “the nuclear core of the congregation”

nuclear, atomic

(adjective) (weapons) deriving destructive energy from the release of atomic energy; “nuclear war”; “nuclear weapons”; “atomic bombs”

nuclear

(adjective) of or relating to or constituting the nucleus of an atom; “nuclear physics”; “nuclear fission”; “nuclear forces”

nuclear

(adjective) of or relating to or constituting the nucleus of a cell; “nuclear membrane”; “nuclear division”

Source: WordNet® 3.1


Etymology

Adjective

nuclear (not comparable)

Pertaining to the nucleus of an atom. [from 20th c.]

Involving energy released by nuclear reactions (fission, fusion, radioactive decay). [from 20th c.]

Relating to a weapon that derives its force from rapid release of energy through nuclear reactions. [from 20th c.]

(by extension, metaphoric, of a solution or response) Involving an extreme course of action.

(biology) Pertaining to the nucleus of a cell. [from 19th c.]

(archaic) Pertaining to a centre around which something is developed or organised; central, pivotal. [from 19th c.]

Usage notes

• The pronunciation /nukjÉ™lÉš/, although included by some sources such as Merriam-Webster (Online 10th Edition), is nonstandard and listed as such. See also nucular, and nucular in Wikipedia.

Noun

nuclear (uncountable)

nuclear power

Anagrams

• crenula, lucarne, unclear

Source: Wiktionary


Nu"cle*al, Nu"cle*ar, a.

Definition: Of or pertaining to a nucleus; as, the nuclear spindle (see Illust. of Karyokinesis) or the nuclear fibrils of a cell; the nuclear part of a comet, etc.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

18 April 2025

GROIN

(noun) the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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