释义 |
Definition of nastic in English: nasticadjective ˈnastɪkˈnastik Botany (of the movement of plant parts) caused by an external stimulus but unaffected in direction by it. Example sentencesExamples - In biology, nastic refers to the natural movement of plants in response to changes in their environment, such as plants that track sunlight or that stiffen when watered.
- They may have a role in turgor regulation in response to salt and hyper-osmotic stresses, in nastic and gravitropic movements, in stomatal closure and in pollen tube elongation.
Origin Early 20th century: from Greek nastos 'squeezed together' (from nassein 'to press') + -ic. Definition of nastic in US English: nasticadjectiveˈnastik Botany (of the movement of plant parts) caused by an external stimulus but unaffected in direction by it. Example sentencesExamples - They may have a role in turgor regulation in response to salt and hyper-osmotic stresses, in nastic and gravitropic movements, in stomatal closure and in pollen tube elongation.
- In biology, nastic refers to the natural movement of plants in response to changes in their environment, such as plants that track sunlight or that stiffen when watered.
Origin Early 20th century: from Greek nastos ‘squeezed together’ (from nassein ‘to press’) + -ic. |