1. The tendency of a moving object to keep moving forward
   "the car's momentum carried it off the road"; "The boulder's momentum carried it over the edge of the cliff"
    
2. The strength or force, or enough activity and growth, to continue or grow stronger; capacity for further growth
   "the campaign is gaining momentum";
   - steam
    
3. The product of a body's mass and its velocity
   "the momentum of the particles was deduced from meteoritic velocities"

Derived forms: momenta, momentums

Type of: force, forcefulness, physical property, strength

Encyclopedia: Momentum, Willisau 1988