单词 | paraheliotropism |
释义 | paraheliotropism/ˌparəhiːlɪə(ʊ)ˈtrəʊpɪz(ə)m/ /ˌparəhiːlɪˈɒtrəpɪz(ə)m/Botany noun A type of tropism in which a plant's leaves move to reduce injuriously intense illumination, usually by keeping their blades parallel to the light rays. OriginLate 19th century; earliest use found in Charles Darwin (1809–1882), naturalist, geologist, and originator of the theory of natural selection. From para- + heliotropism, probably after paraheliotropic. |
随便看 |
|
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。