Momentum - Dictionary Definition and Overview

Momentum :  (noun)
1: an impelling force or strength; "the car's momentum carried it off the road" [syn: impulse]
2: the product of a body's mass and its velocity; "the momentum of the particles was deduced from meteoritic velocities"

Based on WordNet 2.0

Momentum : \Mo*men"tum\, n.; pl. L. Momenta, F. Momentums. [L. See Moment.] 1. (Mech.) The quantity of motion in a moving body, being always proportioned to the quantity of matter multiplied into the velocity; impetus.

2. Essential element, or constituent element.

I shall state the several momenta of the distinction in separate propositions. --Sir W. Hamilton.

Based on WordNet (r) 2.0 (August 2003)
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