Definify.com

Webster 1913 Edition

Nuclear

{

Nu′cle-al

,

Nu′cle-ar

, }
Adj.
1.
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.

Definition 2024

nuclear

nuclear

English

Adjective

nuclear ‎(not comparable)

  1. (biology) Pertaining to the nucleus of a cell. [from 19th c.]
    • 2011, Terence Allen and Graham Cowling, The Cell: A Very Short Introduction, Oxford 2011, p. 17:
      However, the DNA in a bacterial cell is a single circular molecule and there is no separate nuclear compartment.
  2. Pertaining to a centre around which something is developed or organised; central, pivotal. [from 19th c.]
  3. Pertaining to the atomic nucleus. [from 20th c.]
  4. Involving energy released by nuclear reactions (fission, fusion, radioactive decay). [from 20th c.]
    a nuclear reactor
    nuclear technology
  5. Of a weapon: deriving its force from rapid release of energy through nuclear reactions. [from 20th c.]
    a nuclear explosion

Usage notes

Derived terms

Related terms

Translations

References

    External links

    nuclear on Wikipedia.Wikipedia

    Anagrams

    Catalan

    Adjective

    nuclear m, f ‎(masculine and feminine plural nuclears)

    1. nuclear

    Portuguese

    Adjective

    nuclear m, f ‎(plural nucleares, comparable)

    1. nuclear; central (to a centre around which something is developed or organised)
    2. (biology) nuclear (relating to the nucleus of cells)
    3. (physics) nuclear (relating to the nucleus of atoms)
    4. nuclear (involving atomic energy or weapons)

    Spanish

    Etymology 1

    Adjective

    nuclear m, f ‎(plural nucleares)

    1. nuclear
    Derived terms

    Etymology 2

    Verb

    nuclear

    1. to join up; unite
    Conjugation
        Conjugation of nuclear (See Appendix:Spanish verbs)edit data
    infinitive nuclear
    gerund nucleando
    past participle masculine feminine
    singular nucleado nucleada
    plural nucleados nucleadas
    singular plural
    1st person 2nd person 3rd person 1st person 2nd person 3rd person
    indicative yo tú
    vos    		 él/ella
    usted    		 nosotros
    nosotras    		 vosotros
    vosotras    		 ellos/ellas
    ustedes
    present nucleo nucleastú
    nucleásvos     		nuclea nucleamos nucleáis nuclean
    imperfect nucleaba nucleabas nucleaba nucleábamos nucleabais nucleaban
    preterite nucleé nucleaste nucleó nucleamos nucleasteis nuclearon
    future nuclearé nuclearás nucleará nuclearemos nuclearéis nuclearán
    conditional nuclearía nuclearías nuclearía nuclearíamos nuclearíais nuclearían
    subjunctive yo tú
    vos    		 él/ella
    usted    		 nosotros
    nosotras    		 vosotros
    vosotras    		 ellos/ellas
    ustedes
    present nuclee nucleestú
    nucleésvos1     		nuclee nucleemos nucleéis nucleen
    imperfect
    (ra)    		 nucleara nuclearas nucleara nucleáramos nuclearais nuclearan
    imperfect
    (se)    		 nuclease nucleases nuclease nucleásemos nucleaseis nucleasen
    future nucleare nucleares nucleare nucleáremos nucleareis nuclearen
    imperative — tú
    vos    		 usted nosotros
    nosotras    		 vosotros
    vosotras    		 ustedes
    affirmative nucleatú
    nucleávos     		nuclee nucleemos nuclead nucleen
    negative no nuclees no nuclee no nucleemos no nucleéis no nucleen
    1Argentine and Uruguayan voseo prefers the tú form for the present subjunctive.

    Etymology

    From L, nucleus, a contraction of the adj. nuculeus, masc. of fem. nuculea ( "pertaning to a small nut") from L, nucula + adjectival suffix -eus;-ea;-eum. The L, nucula + -aris adds up to L, nucularis, a term that in English becomes nucular; the L, nuculea + -aris, becomes L, nuculearis ("relative to what pertains to small nut") , later contracted into nuclear. Compare muscle and L, musculus; muscular and muscularis.

    Pronunciation

    • (Canada) IPA(key): /ˈnukliɚ/
    • (UK) IPA(key): /ˈnjuː.klɪə/
    • (US) IPA(key): /ˈnukliɚ/, /nukjəlɚ/ (see usage notes)

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