Synonyms for critical-mass

Noun

1. critical mass, amount

usage: the minimum amount (of something) required to start or maintain a venture; "the battle for the computer market has now reached critical mass"; "there is now a critical mass of successful women to take the lead"; "they sold the business because it lacked critical mass"

2. critical mass, mass

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