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单词 tropism
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tropism

noun
/ˈtrəʊpɪzəm/, /ˈtrɒpɪzəm/
/ˈtrəʊpɪzəm/
[uncountable] (biology)
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  1. the action of a living thing turning all or part of itself in a particular direction, towards or away from something such as a source of light
    Word Originlate 19th cent.: from Greek tropos ‘turning’ (from trepein ‘to turn’) + -ism.
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更新时间:2024/9/22 9:50:25