urushiol

English

Etymology

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

Pronunciation

• IPA^(key): /ʊˈɹuːʃiˌɔl/

Noun

urushiol (countable and uncountable, plural urushiols)

1. (organic chemistry) 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.

   Synonym: toxicodendrol

   • 1986, Francine Brown, Skin Care:

     All three produce an oil, called urushiol, that is a potent allergen. Urushiol is most abundant in the leaves and stems of these plants...

   • 1993, Jacquelyn G. Black, Microbiology: principles and applications:

     Poison ivy vines also contain the irritating oil urushiol, so it is important to be able to recognize them in winter.

   • 2000, C. Franklin Goldsmith, Shannon E. G. Hamrick, H. James Hamrick, The Best Hikes of Pisgah National Forest:

     Upon exposure to air, urushiol can turn dark brown, which makes it easier to spot.

Coordinate terms

• anacardic acid

Translations

oil causing allergic rash

• Chinese:

  Mandarin: 漆酚 (qīfēn), 漆兒茶酚／漆儿茶酚 (qī'ércháfēn)

• Dutch: urushiol n
• Esperanto: uruŝiolo
• French: urushiol (fr) m
• Italian: urushiol m or n
• Japanese: ウルシオール (urushiōru)
• Persian: اوروشیول
• Portuguese: urushiol m
• Spanish: urushiol m

Dutch

Etymology

From Japanese 漆 (うるし, urushi, “lacquer tree”), and the chemical suffix -ol.

Pronunciation

• IPA^(key): /yryʃiˈɔl/

Noun

urushiol n (uncountable)

1. (organic chemistry) urushiol

Spanish

Etymology

From Japanese 漆 (うるし, urushi, “lacquer tree”), and the chemical suffix -ol.

Pronunciation

• IPA^(key): /uɾuˈʃjol/ [u.ɾuˈʃjol], /uɾuˈsjol/ [u.ɾuˈsjol]
• Rhymes: -ol
• Syllabification: u‧ru‧shiol

Noun

urushiol m (plural urushioles)

1. (organic chemistry) urushiol