Standard Lemma guide

urushiol

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ʊˈɹuːʃiˌɔl/

1

noun

Meaning 1

An oil found in plants of the family Anacardiaceae, causing an allergic skin rash on contact; consists of a variable mixture of several related organic compounds.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: toxicodendrol

Antonyms: none provided

History

Etymology

From Japanese 漆 (うるし, urushi, “lacquer tree”) + -ol (“oil”).

Across languages

Translations

10 source translations are retained for this English entry.

  • Chinese Mandarin: 漆酚 (qīfēn) — oil causing allergic rash
  • Chinese Mandarin: 漆兒茶酚 /漆儿茶酚 (qī'ércháfēn) — oil causing allergic rash
  • Dutch: urushiol — oil causing allergic rash
  • Esperanto: uruŝiolo — oil causing allergic rash
  • French: urushiol — oil causing allergic rash
  • Italian: urushiol — oil causing allergic rash
  • Japanese: ウルシオール (urushiōru) — oil causing allergic rash
  • Persian: اوروشیول — oil causing allergic rash
  • Portuguese: urushiol — oil causing allergic rash
  • Spanish: urushiol — oil causing allergic rash