| 单词 | exine |
| 释义 | exine[ ek-seen, -sahyn ] / ˈɛk sin, -saɪn / noun Botany.the outer coat of a spore, especially a pollen grain. Also extine. Origin of exineFirst recorded in 1880–85; ex-1 + -ine1 Words nearby exineexilarch, exile, exilic, Ex-Im, eximious, exine, ex int., ex interest, exist, existence, existence theorem Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for exineexine extine (ˈɛkstɪn, -tiːn, -taɪn)/ (ˈɛksɪn, -aɪn) / nounbotany the outermost coat of a pollen grain or a sporeCompare intine Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for exineexine [ ĕk′sēn′, -sīn′ ] The outer layer of the wall of a pollen grain. The exine is composed of the most durable organic polymer known, sporopollenin. Also called extine The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
| 随便看 |
英语词典包含192737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。