| 单词 | coleoptile |
| 释义 | coleoptile[ koh-lee-op-til, kol-ee- ] / ˌkoʊ liˈɒp tɪl, ˌkɒl i- / noun Botany.(in grasses) the first leaf above the ground, forming a sheath around the stem tip. Origin of coleoptile1865–70; <New Latin coleoptilum<Greek koleó(n) sheath, scabbard + ptílon soft feathers, down Words nearby coleoptilecoleopter, Coleoptera, coleopteran, coleopteron, coleopterous, coleoptile, coleorhiza, Coleraine, Coleridge, Coleridge, Samuel Taylor, Coleridge-Taylor Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for coleoptilecoleoptile / (ˌkɒlɪˈɒptaɪl) / nouna protective sheath around the plumule in grasses Word Origin for coleoptileC19: from New Latin coleoptilum, from Greek koleon sheath + ptilon down, soft plumage 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 coleoptilecoleoptile [ kō′lē-ŏp′tĭl, kŏl′ē- ] A protective sheath enclosing the shoot tip and embryonic leaves of grasses. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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