dialogueur, n.m., dialogue-writer, dialogist.

diamant, n.m., diamond; (nav.) crown, throat (of anchors); (horl.) jewel. — taillé; cut diamond. — brut; rough diamond. — de nature; diamond unfit for the wheel. —s de la couronne; crown jewels. — de première eau; diamond of the first water. Monter un —; to set a diamond. — de vitrier; glazier’s diamond.

diamantaire, adj., of diamond brilliancy.

diamantaire, n.m., diamond-cutter.

diamanter, v.a., to set with diamonds; to render sparkling; to tinsel, to frost.

diamantifère, adj., diamondiferous.

diamétral, -e, adj., diametrical.

diamétralement (-tral-mān), adv., diametrically. Sentiments — opposés; sentiments diametrically opposed to each other.

diamètre, n.m., diameter. Demi-diamètre; semi-diameter.

diandrie, n.f., (bot.) diandria.