mo·men·tum 
/moʊˈmɛntəm/ noun
/moʊˈmɛntəm/ noun [noncount] 1 a : the strength or force that something has when it is moving
▪ forward momentum ▪ The wagon gathered/gained momentum [=it moved faster] as it rolled down the hill. ▪ The wagon lost momentum [=it moved more slowly; it slowed down] as it rolled up the hill.
b : the strength or force that allows something to continue or to grow stronger or faster as time passes
▪ The company has had a successful year and hopes to maintain its momentum by introducing new products. ▪ The campaign slowly gained/gathered momentum. [=the campaign slowly became more popular and successful] ▪ The movie loses momentum toward the end. 2 physics : the property that a moving object has due to its mass and its motion
▪ forward momentum ▪ The wagon gathered/gained momentum [=it moved faster] as it rolled down the hill. ▪ The wagon lost momentum [=it moved more slowly; it slowed down] as it rolled up the hill.
b : the strength or force that allows something to continue or to grow stronger or faster as time passes
▪ The company has had a successful year and hopes to maintain its momentum by introducing new products. ▪ The campaign slowly gained/gathered momentum. [=the campaign slowly became more popular and successful] ▪ The movie loses momentum toward the end.
