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4 definitions found

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

 tro·pism /ˈtroˌpɪzəm/
 向性,趨性,屈性

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

 tro·pism /ˈtroˌpɪzəm/ 名詞
 向性,趨向性

From: Webster's Revised Unabridged Dictionary (1913)

 Tro·pism n.  Physiol. Modification of the direction of growth, caused by some external influence, such as light; -- sometimes used for motion of an organism toward or away from an external stimulus, more properly called taxis.
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From: WordNet (r) 2.0

 tropism
      n : an involuntary orienting response; positive or negative
          reaction to a stimulus source