fission

fission
I. noun Etymology: Latin fission-, fissio, from findere to split — more at bite Date: circa 1617 1. a splitting or breaking up into parts 2. reproduction by spontaneous division of the body into two or more parts each of which grows into a complete organism 3. the splitting of an atomic nucleus resulting in the release of large amounts of energy • fissional adjective II. verb Date: 1929 intransitive verb to undergo fission transitive verb to cause to undergo fission

New Collegiate Dictionary. 2001.

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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 — [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 …   English World dictionary

  • 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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