Advertisement
Advertisement
urushiol
[ oo-roo-shee-awl, -ol ]
noun
- a toxic, liquid, catechol derivative, the active irritant principle in several species of the plant genus Rhus, as in poison ivy.
urushiol
/ ˈuːrʊʃɪˌɒl; uːˈruː- /
noun
- a poisonous pale yellow liquid occurring in poison ivy and the lacquer tree
urushiol
/ -ro̅o̅′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.
Discover More
Word History and Origins
Origin of urushiol1
from Japanese urushi lacquer + -ol ²
Advertisement
Word of the Day
[tawr-choo-uhs ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse