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4 definitions found

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

 La·marck·ism /ləˈmɑrˌkɪzəm/

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

 La·marck·ism /ləˈmɑrˌkɪzəm/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 La·marck·ism n.  Biol. The theory that structural variations, characteristic of species and genera, are produced in animals and plants by the direct influence of physical environments, and esp., in the case of animals, by effort, or by use or disuse of certain organs.  It is a discredited theory, not believed by modern biologists.
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From: WordNet (r) 2.0

 Lamarckism
      n : a theory of organic evolution claiming that acquired
          characteristics are transmitted to offspring