Main Entry: oleo·res·in

Pronunciation: \ˌō-lē-ō-ˈrez-^ən\

Function: noun

1 : a natural plant product (as copaiba or turpentine) containing chiefly essential oil and resin
2 : a preparation consisting essentially of oil holding resin in solution

—oleo·res·in·ous \-ˈrez-^ən-əs, -ˈrez-nəs\ adjective