momentum C1 Topic:Space, Position & Direction US /ˌmoʊˈmɛntəm/ UK /ˌmə(ʊ)ˈmɛntəm/ See IPA manual Freq #11302 Meanings 1 noun The driving force that keeps an idea, process, or campaign moving forward. The campaign gained momentum after the televised debate. 2 noun The force or speed an object has because it is moving. The car's momentum carried it off the road. 3 noun In physics, the product of a body's mass and its velocity. The momentum of the particles was calculated from their speed and mass. Thesaurus Synonyms 1 noun · the driving force that... impulse Word family Forms momentamomentums Derived forms four-momentummomenergymomentumlesspseudomomentumquasimomentumsupermomentum Common collocations angular momentum Adjective + noun Etymology AI details From Latin mōmentum. Doublet of moment and movement. *m(y)ewh₁- Proto-Indo-European mōmentum Latin View etymology graph -> Topics Space, Position & Direction External links Cambridge Dictionary Wiktionary Google Images # momentum **Type:** Word **Level:** C1 **Part of speech:** noun **IPA (US):** /ˌmoʊˈmɛntəm/ **IPA (UK):** /ˌmə(ʊ)ˈmɛntəm/ **Frequency rank:** 11302 ## Meanings 1. The driving force that keeps an idea, process, or campaign moving forward. 2. The force or speed an object has because it is moving. 3. In physics, the product of a body's mass and its velocity. ## Examples - The campaign gained momentum after the televised debate. - The car's momentum carried it off the road. - The momentum of the particles was calculated from their speed and mass. ## Derived Forms - four-momentum - momenergy - momentumless - pseudomomentum - quasimomentum - supermomentum ## Roots and Affixes - Root: *m(y)ewh₁- - Root: mōmentum ## Etymology From Latin mōmentum. Doublet of moment and movement. ## AI Etymology Momentum comes from Latin mōmentum. Doublet of moment and movement. The historical chain includes *m(y)ewh₁- (Proto-Indo-European) and mōmentum (Latin). The surrounding word family includes derived forms such as four-momentum, momenergy, momentumless, and pseudomomentum. In present use it covers the driving force that keeps an idea, process, or campaign moving forward, the force or speed an object has because it is moving, and in physics, the product of a body's mass and its velocity. ## Topics - Space, Position & Direction markdown