ˈrez( ə )nəs adjective
Etymology: Latin resinosus, from resina resin + -osus -ous
1. : of, relating to, containing, like, or obtained from resin
resinous exudates
resinous products
2. : of or relating to a luster of certain minerals and rocks (as sphalerite, pitchstone) that on fractured surfaces have the appearance of resin