didyme, adj., (bot.) didymous.
didynamie, n.f., (bot.) didynamia.
dièdre, adj., (geom.) dihedral.
diel, n.m., a kind of French fuller’s earth.
diérèse, n.f., (gram.) diæresis.
dièse, n.m., (mus.) diesis, sharp.
diésé, -e, adj., (mus.) marked with a diesis, sharp.
diéser, v.a., (mus.) to mark a note to be played sharp; to play a note sharp.
diète, n.f., diet, regimen; diet (an assembly of the states of Germany). Faire —; to diet one’s self, to live moderately.
diététique, adj., (med.) dietetical.