Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “momentum”

See all translations

momentum

noun [U] uk   /məˈmen.təm/ us    /-t̬əm/
C2 the force that keeps an object moving or keeps an event developing after it has started: Once you push it, it keeps going under its own momentum. The spacecraft will fly round the Earth to gain/gather momentum for its trip to Jupiter. The play loses momentum (= becomes less interesting, energetic, etc.) by its half way stage. In an attempt to give new momentum to their plans, the committee set a date for starting detailed discussions.
More examples
Translations of “momentum”
in Spanish impulso, ímpetu…
in French quantité de mouvement…
in German der Impuls…
in Chinese (Traditional) 動量,衝量, 衝力, 推動力…
in Russian движущая сила, инерция…
in Turkish kuvvet, güç, hız…
in Chinese (Simplified) 动量,冲量, 冲力, 推动力…
in Polish rozpęd, impet, pęd…
(Definition of momentum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of momentum?
Add Cambridge dictionaries to your browser to your website

Definitions of “momentum” in other dictionaries

Word of the Day

ellipsis

a situation in which words are left out of a sentence but the sentence can still be understood

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More