| 单词 | thickening mass | 
| 释义 | > as lemmasthickening mass  d.  Botany.  thickening layer,  thickening mass,  thickening ring (German verdickungsring): see quots. ΘΚΠ the world > plants > part of plant > cell or aggregate tissue > 			[noun]		 > tissue > meristem > ring or layer of thickening ring1875 thickening layer1900 1875    A. W. Bennett  & W. T. T. Dyer tr.  J. von Sachs Text-bk. Bot. 27  				A wider cavity, which is bounded on the sides by the narrow part of the thickening-masses, on the outside by the primary cell-wall. 1875    A. W. Bennett  & W. T. T. Dyer tr.  J. von Sachs Text-bk. Bot. 108  				Generating ring of tissue, corresponding to Sanio's thickening ring. 1900    B. D. Jackson Gloss. Bot. Terms 270/2  				Thickening Layer, an apparent layer of cellulose on the inner face of a cell-wall; Thickening Ring, Sanio's term for a ring of meristem in which the first fibro~vascular bundles originate. < as lemmas | 
| 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。