DICT.TW Dictionary Taiwan

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 fis·sion /ˈfɪʃṇ, ʒṇ/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 fis·sion /ˈfɪʃən , ˈfɪʒ-/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Fis·sion n.
 1. A cleaving, splitting, or breaking up into parts.
 2. Biol. A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division.
 3. Zool. A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation.

From: WordNet (r) 2.0

      n 1: a nuclear reaction in which a massive nucleus splits into
           smaller nuclei with the simultaneous release of energy
           [syn: nuclear fission]
      2: reproduction of some unicellular organisms by division of
         the cell into two more or less equal parts