fission

fission
fission [fish′ən, fizh′ən]
n.
[L fissio < fissus, pp. of findere, to cleave, split < IE base * bheid-, to split > BITE]
1. a splitting apart; division into parts
2. NUCLEAR FISSION
3. Biol. a form of asexual reproduction, found in various simple plants and animals, in which the parent organism divides into two or more approximately equal parts, each becoming an independent individual
vi., vt.
to undergo or cause to undergo nuclear fission
fissionable
adj.

English World dictionary. . 2014.

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  • Fission — nucléaire La fission nucléaire La fission nucléaire est le phénomène par lequel le noyau d un atome lourd (noyau qui contient beaucoup de nucléons, tels les noyaux d uranium et de plutonium) est divisé en plusieurs nucléides plus légers. Cette… …   Wikipédia en Français

  • fission — [ fisjɔ̃ ] n. f. • 1938 biol.; mot angl. 1939 phys.; du lat. fissus « fendu » ♦ Phys. Division d un noyau atomique en deux ou plusieurs nucléides qui peuvent subir ensuite une série de transmutations. Énergie dégagée lors d une fission obtenue… …   Encyclopédie Universelle

  • Fission — is a splitting of something into two parts.Fission may refer to: *In physics, nuclear fission is a process where a large atomic nucleus (such as uranium) is split into two smaller nuclei *In biology, binary fission is the mitosis process whereby… …   Wikipedia

  • fission — UK US /ˈfɪʃən/ noun [U] ENVIRONMENT ► a process in which the nucleus of an atom divides and releases a large amount of energy: atomic/nuclear fission »Industrialized nations should increase their efforts in supporting energy efficiency, renewable …   Financial and business terms

  • Fission — Fis sion, n. [L. fissio. See {Fissure}.] 1. A cleaving, splitting, or breaking up into parts. [1913 Webster] 2. (Biol.) A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self division, consisting… …   The Collaborative International Dictionary of English

  • Fission — bezeichnet: Kernspaltung, die Spaltung von Atomkernen Schizotomie, die Teilung einzelliger Lebewesen in zwei gleiche Teile Fission (Band), eine schwedische Metal Band Diese Seite ist eine Begriffskläru …   Deutsch Wikipedia

  • fission — [n] splitting atomic reaction, atom smashing, dividing, division, nuclear fission, parting, severance, splitting the atom, thermonuclear reaction; concept 500 …   New thesaurus

  • fission — ► NOUN 1) the action of splitting or being split into two or more parts. 2) a reaction in which an atomic nucleus splits in two, releasing much energy. 3) Biology reproduction by means of cell division. ► VERB ▪ undergo fission. DERIVATIVES… …   English terms dictionary

  • fission — fission. См. деление. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • fission — fission. = division (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

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