| 单词 | nyctinasty |
| 释义 | nyctinasty(ˈnɪktɪˌnæstɪ) noun botany a nastic movement, such as the closing of petals, that occurs in response to the alternation of day and night Derived forms nyctinastic (ˌnyctiˈnastic) adjective Word origin C20: from Greek nukt-, nux night + -nasty |
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