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单词 urushiol
释义

WordReference Random House Unabridged Dictionary of American English © 2024
u•ru•shi•ol  (ŏŏ ro̅o̅′shē ôl′, -ol′),USA pronunciation n. 
  1. Plant Biologya toxic, liquid, catechol derivative, the active irritant principle in several species of the plant genus Rhus, as in poison ivy.
  • Japanese urushi lacquer + -ol
  • 1910–15

Collins Concise English Dictionary © HarperCollins Publishers::
urushiol /ˈuːrʊʃɪˌɒl uːˈruː-/ n
  1. a poisonous pale yellow liquid occurring in poison ivy and the lacquer tree
Etymology: from Japanese urushi lacquer + -ol²
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更新时间：2025/7/23 10:57:08