diaggot, n.m., birch-oil.
diagnostic, n.m., (med.) diagnostic.
diagnostique, adj., (med.) diagnostics.
diagnostiquer, v.a., to diagnose.
diagonal, -e, adj., diagonal.
diagonale, n.f., (geom.) diagonal.
diagonalement (-nal-mān), adv., diagonally.
diagramme, n.m., (geom.) diagram.
diagraphe, n.m., diagraph.
dialecte, n.m., dialect.