DICT.TW Dictionary Taiwan
Mo·men·tum n.; pl. L. Momenta F. Momentums
1. Mech. The quantity of motion in a moving body, being always proportioned to the quantity of matter multiplied by the velocity; impetus.
2. Essential element, or constituent element.
I shall state the several momenta of the distinction in separate propositions. --Sir W. Hamilton.
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momentum
n 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"
[also: momenta (pl)]