| 单词 | nyctitropism |
| 释义 | nyctitropism in British English (nɪkˈtɪtrəˌpɪzəm) noun a tendency of some plant parts to assume positions at night that are different from their daytime positions Derived forms nyctitropic (ˌnɪktɪˈtrɒpɪk) adjective Word origin C19: nyct-, from Greek nukt-, nux night + -tropismnyctitropism in American English (nɪkˈtɪtrəˌpɪzəm) noun the tendency of the leaves or petals of certain plants to assume a different position at night Derived forms nyctitropic (ˌnyctiˈtropic) (ˌnɪktɪˈtrɑpɪk) adjective Word origin nycti- + -tropism |
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