单词 | paratonic |
释义 | paratonic/ˌparəˈtɒnɪk/adjective 1 Medicine. Of or relating to strain or spasm (of muscle); specifically designating muscle rigidity occurring in response to passive movement, seen in various disorders of the cerebral cortex. 2Originally: designating or relating to movements of plants in response to change in the intensity of light; nyctinastic. Later: designating plant movements caused by external stimuli of any kind. OriginMid 19th century; earliest use found in Robert Mayne (1808–1868). From para- + tonic. |
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