| 单词 | nyctitropism |
| 释义 | nyctitropism(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 + -tropism |
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