| 单词 | raphide |
| 释义 | raphideraphis (ˈreɪfɪs)/ (ˈreɪfaɪd) / noun plural raphides (ˈræfɪˌdiːz)any of numerous needle-shaped crystals, usually of calcium oxalate, that occur in many plant cells as a metabolic product Word Origin for raphideC18: from French, from Greek rhaphis needle Words nearby raphideraphe nucleus, raphe of penis, raphe of perineum, raphe of scrotum, raphia, raphide, raphides, rapid, Rapidan, rapid canities, rapid chess 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 raphideraphide [ rā′fīd ] Plural raphides (răf′ĭ-dēz′)One of a bundle of needlelike crystals of calcium oxalate occurring in many plant cells. The crystals discourage animals from eating the plant by irritating their tissues. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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