- of or resembling diamonds
C17: from French diamantin, from diamant diamond
Examples from the Web for diamantine
The polishing is effected by means of diamantine and alcohol.
Ludwig slashes à la Nietzsche, though he cannot boast that poet's diamantine style.Unicorns
The final polish can soon be imparted by means of a small boxwood slip, or flattened peg-wood, and diamantine and alcohol.
The screw is placed in the ordinary polishing triangle and the flat face at a polished on a tin lap with diamantine and oil.Watch and Clock Escapements