| 单词 | urushiol |
| 释义 | urushiol[ oo-roo-shee-awl, -ol ] / ʊˈru ʃiˌɔl, -ˌɒl / nouna toxic, liquid, catechol derivative, the active irritant principle in several species of the plant genus Rhus, as in poison ivy. Origin of urushiol1910–15; <Japanese urushi lacquer + -ol1 Words nearby urushiolUrumchi, Urumiyeh, Ürümqi, Urundi, urus, urushiol, us, USA, usable, U.S.A.F., USAFI Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for urushiolurushiol / (ˈuːrʊʃɪˌɒl, uːˈruː-) / nouna poisonous pale yellow liquid occurring in poison ivy and the lacquer tree Word Origin for urushiolfrom Japanese urushi lacquer + -ol ² 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 Medical definitions for urushiolurushiol [ u-rōō′shē-ôl′, -ōl′ ] n.A toxic substance constituting the active allergen of the irritant oil present in poison ivy, poison oak, and poison sumac. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for urushiolurushiol [ u-rōō′shē-ôl′, -ōl′ ] A toxic substance present in the resin or on the surface of plants of the genus Rhus (syn. Toxicodendron). Urushiol is a mixture of several derivatives of catechol and is the irritating substance in poison ivy. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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