momentum
Concise Oxford English Dictionary © 2008 Oxford University Press:
momentum /məˈmɛntəm/
▶noun (pl. momenta /-tə/)
- 1 the impetus gained by a moving object.
■ the driving force gained by the development of a process: the investigation gathered momentum.
- 2 Physics the quantity of motion of a moving body, equal to the product of its mass and velocity.
– origin C17: from L., from movimentum, from movere ‘to move’.
'momentum' also found in these Oxford entries:
