critical mass

1. (countable, uncountable)The minimum amount of fissile material needed to support a self-sustaining nuclear chain reaction.

   kritische Masse

   крити́ческая ма́ссаkritíčeskaja mássa

   крити́чна ма́саkrytýčna mása

   the minimum mass of fissionable material that can sustain a chain reaction

2. (broadly, countable, figuratively, uncountable)The minimum amount of something or the minimum number of people needed to trigger a phenomenon.

   kritische Masse

   the minimum amount (of something) required to start or maintain a venture

1. The change is possible if a critical mass of people is involved.

   CC BY 2.0 FR · Tatoeba · Ergulis · B1Open on TatoebaReport a problem

2. Writings by ethnic minorities begin to reach a critical mass.

   CC BY 2.0 FR · Tatoeba · B2Open on TatoebaReport a problem

regular