res ‧ in /ˈrezən, ˈrezɪn/ BrE AmE noun
[ Date: 1300-1400 ; Language: Old French ; Origin: resine , from Latin , from Greek rhetine ]
1 . [uncountable] a thick sticky liquid that comes out of some trees ⇨ sap
2 . [uncountable and countable] a type of plastic
—resinous adjective