démonstrati-f, -ve, adj., demonstrative.
démonstration, n.f., demonstration, proof.
démonstrativement (-tiv-mān), adv., demonstratively.
démontable, adj., that can be taken to pieces.
démontage, n.m., taking to pieces.
démonter, v.a., to dismount, to unhorse; to nonplus, to baffle; to alter (one’s countenance); to take to pieces, to undo; (nav.) to supersede, to unship. — le gouvernail; to unship the rudder. — un capitaine; to supersede a captain.
se démonter, v.r., that may be taken to pieces (of machinery); to lose one’s countenance; to be unhinged; to be nonplused or disconcerted; to be getting out of order or of gear (of machinery); to become impaired (of the health).
démontrable, adj., demonstrable.
démontrer, v.a., to demonstrate, to prove.
démoralisat-eur, -rice, adj., corrupting, demoralizing.