Category:Momentum

Mo*men"tum, n.; pl. L. Momenta, F. Momentums. Etym: [L. See Moment.]

1. (Mech.)

Defn: 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.