请输入您要查询的英文单词:

 

单词 phytolith
释义

phytolithn.

Brit. /ˈfʌɪtəlɪθ/, U.S. /ˈfaɪdəˌlɪθ/
Origin: Formed within English, by compounding. Etymons: phyto- comb. form, -lith comb. form.
Etymology: < phyto- comb. form + -lith comb. form. Compare French phytolithe fossil plant (1835). In sense 2 probably after German Phytolitharien, plural (Ehrenberg 1845; also in Latinate form Phytolitharia ). With sense 1 compare earlier phytolithus n. and phytolite n.Compare use of the form phytolitharia (plural), apparently in both senses 1 and 2:1847 Amer. Jrnl. Sci. 54 423 The microscopic analysis of this dust produced 22 polygastrica, 21 phytolitharia, together with the pollen of plants.1848 Q. Jrnl. Geol. Soc. 4 ii. 22 There is found in each portion [of dust] as large as a pin-head..a trace of distinctly organized matter in the form of small siliceous shells of animals or fragments of plants (Phytolitharia).
1. A fossil plant; = phytolite n. 1. Obsolete. rare.
ΘΚΠ
the world > plants > variety or species > [noun] > fossil or petrified plant
rock plant1673
stone-plant1676
phytolite1794
phytolith1895
1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. at Phytolite Phytolith.
2. A minute mineral particle formed inside plant tissues by the deposition of silicates, often surviving as a microfossil in geological or archaeological deposits.
ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > mineral particle in
phytolith1958
phytolite1999
1958 Jrnl. Soil Sci. 9 154 Nardus stricta..contains phytoliths which could not be mistaken for those from any other of the grasses encountered.
1960 Proc. Royal Soc. Victoria 72 21 Phytoliths are important, if not abundant, constituents of dust in Australia. The common varieties are opal-phytoliths, but calcite-phytoliths and quartz-phytoliths have also been detected.
1984 J. J. Lowe & M. J. C. Walker Reconstructing Quaternary Environments iii. 120 In Illinois phytolith remains have been used to demonstrate changes from forest to grassland during the Holocene.
2001 Proc. National Acad. Sci. U.S.A. 98 2102 The presence of these phytoliths in archaeological sites can be used to infer harvesting and processing of Zea grains.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
<
n.1895
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:2024/9/20 19:27:48