rubican, n.m. and adj., rubican color; rubican.
rubicon, n.m., Rubicon. Passer le —; to take a desperate step.
rubicond, -e, adj., rubicund; bloated; blowzy.
rubification, n.f., rubification.
rubigineu-x, -se, adj., rubiginous.
☉rubine, n.f., (chem.) ruby. — d’argent; red-silver, ruby-silver. — d’arsenic; realgar.
rubis, n.m., ruby; red pimple, grog-blossom. Faire — sur l’ongle; to drink to the last drop. Payer — sur l’ongle; to pay to the last farthing. Monté sur —; jeweled.
rubricaire, n.m., rubrician, rubricist.
rubricateur, n.m., artist who illuminated manuscripts in the Middle Ages.
rubrique, n.f., method, rule, practice; head; title; trick; ruddle, red chalk. pl., (canon law) rubric. Sous la — de; under the head of.