Not in engineering/mechanical vibrations... http://en.wikipedia.org/wiki/Damping It's actually a vibration damper - not a dampener. It doesn't make the vibration more damp. Dampener is correct... damp·en (dmpn) v. damp·ened, damp·en·ing, damp·ens v.tr. 1. To make damp. 2. To deaden, restrain, or dep...