释义 |
spontaneous generation
spontaneous generationn. See abiogenesis.spontaneous generation n (Biology) a theory, widely held in the 19th century and earlier but now discredited, stating that living organisms could arise directly and rapidly from nonliving material. Also called: abiogenesis a•bi•o•gen•e•sis (ˌeɪ baɪ oʊˈdʒɛn ə sɪs, ˌæb i oʊ-) n. the production of living organisms by nonliving matter; spontaneous generation: a former belief. (a-6 + biogenesis; coined by T. H. Huxley in 1870] a`bi•o•ge•net′ic (-dʒəˈnɛt ɪk) a`bi•o•ge•net′i•cal, adj. a`bi•o•ge•net′i•cal•ly, adv. a`bi•og′e•nist (-ˈɒdʒ ə nɪst) n. spontaneous generationabiogenesis.See also: LifeThesaurusNoun | 1. | spontaneous generation - a hypothetical organic phenomenon by which living organisms are created from nonliving matterabiogenesis, autogenesis, autogenyorganic phenomenon - (biology) a natural phenomenon involving living plants and animals | Translationsspontaneous generation
spontaneous generation[spän′tā·nē·əs ‚jen·ə′rā·shən] (biology) abiogenesis spontaneous generation
generation [jen″er-a´shun] 1. the process of reproduction.2. a class composed of all individuals removed by the same number of successive ancestors from a common predecessor, or occupying positions on the same level in a genealogical (pedigree) chart.alternate generation reproduction by alternate asexual and sexual means in an animal or plant species.asexual generation (direct generation) production of a new organism not originating from union of gametes.first filial generation the first-generation offspring of two parents; symbol F1.parental generation the generation with which a particular genetic study is begun; symbol P1.second filial generation all of the offspring produced by two individuals of the first filial generation; symbol F2.sexual generation production of a new organism from the cell formed by the union of a male gamete (spermatozoon) and a female gamete (oocyte).spontaneous generation the discredited concept of continuous generation of living organisms from nonliving matter.spon·ta·ne·ous gen·er·a·tionthe false concept according to which living matter can arise through the vitalization of nonliving matter. See also: biogenesis. Synonym(s): heterogenesis (3) spontaneous generationn. See abiogenesis.spon·ta·ne·ous gen·er·a·tion (spon-tā'nē-ŭs jen'ĕr-ā'shŭn) The false concept according to which living matter can arise by the vitalization of nonliving matter. See also: biogenesis Synonym(s): heterogenesis (3) . spontaneous generation or abiogenesis a discredited belief that living organisms could arise from nonliving things that was finally shown to be untrue by PASTEUR in his famous swan-neck flask experiments.spontaneous generation
Synonyms for spontaneous generationnoun a hypothetical organic phenomenon by which living organisms are created from nonliving matterSynonyms- abiogenesis
- autogenesis
- autogeny
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