\Res"in*ous\ (-?s), a. [L. resinous: cf. F. r['e]sineux. See {Resin}.] Of or pertaining to resin; of the nature of resin; resembling or obtained from resin. {Resinous electricity} (Elec.), electricity which is exited by rubbing bodies of the resinous kind. See {Negative electricity}, under {Negative}.