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Definition nuclear

Etymology

From Latin n??cleus, 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 + -?ris adds up to nucul?ris, a term that in English becomes nucular; the Latin nuculea + -?ris, becomes Latin nucule?ris (“relative to what pertains to small nut”), later contracted into nuclear. Compare muscle and Latin m?sculus; muscular and m?scul?ris.

Adjective

nuclear (not comparable)

1. Pertaining to the nucleus of an atom. [from 20th c.]
2. Involving energy released by nuclear reactions (fission, fusion, radioactive decay). [from 20th c.]
3. Relating to a weapon that derives its force from rapid release of energy through nuclear reactions. [from 20th c.]
4. (by extension, metaphoric, of a solution or response) Involving an extreme course of action.
5. (biology) Pertaining to the nucleus of a cell. [from 19th c.]
6. (archaic) Pertaining to a centre around which something is developed or organised; central, pivotal. [from 19th c.]

Noun

nuclear (uncountable)

1. nuclear power

Results 433 Words with the letters NUCLEAR

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