请输入您要查询的英文单词:

 

单词 epistrophy
释义

epistrophyn.

Brit. /ᵻˈpɪstrəfi/, U.S. /ᵻˈpɪstrəfi/
Origin: A borrowing from French. Apparently also partly a variant or alteration of another lexical item. Etymons: French épistrophie ; epistrophe n.
Etymology: In sense 1 < French épistrophie (C. F. A. Morren 1847, in Ann. de la Soc. Roy. d'Agriculture & de Botanique de Gand 3 428) < ancient Greek ἐπιστροϕή act of turning about (see epistrophe n.), with remodelling of the ending after nouns in French -ie -y suffix3. In sense 2 apparently an alteration of epistrophe n. (compare epistrophe n. 3) after nouns in -y suffix3.
Botany. rare.
1. Reversion of an abnormal plant or plant organ to the normal condition. Now disused.
ΚΠ
1869 M. T. Masters Veg. Teratol. ii. i. i. 226 The reversion of a monstrous form to a normal one, as, for instance, when the fern-leaved beech reverts to the normal type, was called by the same author epistrophy.
1917 J. W. Harshberger Text-bk. Mycol. & Plant Pathol. ii. xxvii. Epistrophy (Ch. Morren).—A reversion of an apparently constant monstrosity to the normal form of single organs, for example, the development of branches with normal leaves in place of those with cleft leaves.
2. = epistrophe n. 3.
ΚΠ
1885 J. Stormonth Man. Sci. Terms 148/1 Epistrophy,..a mode of distribution of protoplasm and chlorophyll granules on free cell-walls under the action of light.
1964 H. I. Virgin in A. C. Giese Photophysiol. I. ix. 283 When a change in displacement takes place between dark position (apostrophy) and low-light position (epistrophy) or between low-light (epistrophy) and strong-light position (parastrophy), the movements occur in a purely statistical manner.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
<
n.1869
随便看

 

英语词典包含1132095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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/11 9:33:24