disjunction

disjunction
The normal separation of pairs of chromosomes at the anaphase stage of meiosis I or II. [dis- + L. junctio, a joining, fr. jungo, pp. junctum, to join]

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dis·junc·tion dis-'jəŋ(k)-shən n the separation of chromosomes or chromatids during anaphase of mitosis or meiosis

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n.
the separation of pairs of homologous chromosomes during meiosis or of the chromatids of a chromosome during anaphase of mitosis or meiosis. Compare nondisjunction.

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dis·junc·tion (dis-junkґshən) 1. the act or state of being disjoined. 2. in genetics, the moving apart of bivalent chromosomes at first anaphase of meiosis, or the moving apart of daughter chromatids at the second anaphase of meiosis or anaphase of mitosis.

Medical dictionary. 2011.

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  • Disjunction — Dis*junc tion, n. [L. disjunctio.] 1. The act of disjoining; disunion; separation; a parting; as, the disjunction of soul and body. [1913 Webster] 2. A disjunctive proposition. Coleridge. [1913 Webster] …   The Collaborative International Dictionary of English

  • disjunction — c.1400, disjunccioun, from O.Fr. disjunction (13c.) or directly from L. disjunctionem separation, noun of action from pp. stem of disjungere (see DISJOINTED (Cf. disjointed)) …   Etymology dictionary

  • Disjunction — Disjunction, lat. deutsch, Zerlegung eines Begriffs in seine Theile; der logische Gegensatz; s. Urtheil u. Schluß …   Herders Conversations-Lexikon

  • disjunction — index abandonment (discontinuance), decentralization, difference, disassociation, division (act of dividing), estrangement, hiatu …   Law dictionary

  • disjunction — ► NOUN ▪ a lack of correspondence or consistency …   English terms dictionary

  • disjunction — [dis juŋkchər, dis′juŋkchərdis juŋk′shən] n. [ME disjunccioun < L disjunctio] 1. a disjoining or being disjoined; separation: also disjuncture [dis juŋkchər, dis′juŋkchər] 2. a) Logic the relation between the alternatives of a disjunctive… …   English World dictionary

  • disjunction — /dis jungk sheuhn/, n. 1. the act of disjoining or the state of being disjoined: a disjunction between thought and action. 2. Logic. a. Also called disjunctive, inclusive disjunction. a compound proposition that is true if and only if at least… …   Universalium

  • Disjunction — (Roget s Thesaurus) < N PARAG:Disjunction >N GRP: N 1 Sgm: N 1 disjunction disjunction disconnection disunity disunion disassociation disengagement Sgm: N 1 discontinuity discontinuity &c. 70 Sgm: N 1 abjunction abjunction Sgm …   English dictionary for students

  • disjunction — noun Date: 14th century 1. a sharp cleavage ; disunion, separation < the disjunction between theory and practice > 2. a compound sentence in logic formed by joining two simple statements by or: a. inclusive …   New Collegiate Dictionary

  • disjunction — UK [dɪsˈdʒʌŋkʃ(ə)n] / US noun [countable/uncountable] Word forms disjunction : singular disjunction plural disjunctions very formal lack of a connection between things that should be connected …   English dictionary

  • disjunction — exclusive/inclusive disjunction …   Philosophy dictionary

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