[ mə'mɛntəm ]
■ noun ( plural momenta -tə )
1》 the impetus gained by a moving object.
↘the driving force gained by the development of a process: the investigation gathered ~.
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'.