| 单词 | nyctinasty |
| 释义 | nyc·ti·nas·ty (nĭktĭ-năs′tē)n. A diurnal movement of plant parts, such as the opening during the day and closing during the night of certain flowers. [Greek nux, nukt-, night; see nekw-t- in the Appendix of Indo-European roots + -NASTY.] nyc′ti·nastic (-tĭk) adj. |
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