Momentum
WordNet
noun
(1) The product of a body's mass and its velocity
"The momentum of the particles was deduced from meteoritic velocities"
(2) An impelling force or strength
"The car's momentum carried it off the road"
WiktionaryText
Noun
- the product of its mass and velocity.
- The impetus, either of a body in motion, or of an idea or course of events. (i.e: a moment)
- 1843, Nathaniel Hawthorne, "The Old Apple Dealer", in Mosses from an Old Manse
- The travellers swarm forth from the cars. All are full of the momentum which they have caught from their mode of conveyance.
- 1882, Thomas Hardy, Two on a Tower
- Their intention to become husband and wife, at first halting and timorous, had accumulated momentum with the lapse of hours, till it now bore down every obstacle in its course.
- 1843, Nathaniel Hawthorne, "The Old Apple Dealer", in Mosses from an Old Manse