rubasse, n.f., (min.) colored quartz.
rubéfaction, n.f., (med.) rubefaction.
rubéfiant, -e, adj., (med.) rubefacient.
rubéfiant, n.m., (med.) rubefacient.
rubéfier, v.a., or se —, v.r., (med.) to rubify.
☉rubeline, n.f. V. rouge-gorge.
rubéole, n.f., (bot.) cross-wort.
rubescent, -e, adj., rubescent.
rubiacé, -e, adj., red-colored.
rubiacées, n.f.pl., plants of the madder family.