urushiol
/ˈuːrʊʃɪɒl/noun
mass noun
- Biochemistry an oily liquid which is the main constituent of Japanese lacquer and is responsible for the irritant properties of poison ivy and other plants. It consists of a mixture of catechol derivatives【生化】漆酚。
词源
early 20th cent.: from Japanese urushi 'Japanese lacquer' + -OL.