critical mass Meaning of "critical mass"

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Definition(s):

  1. (n) the minimum amount (of something) required to start or maintain a venture
  2. (n) the minimum mass of fissionable material that can sustain a chain reaction

Usage(s):

  1. The Middle East, somnolent, hot, primitive, resembles what scientists call a critical mass.
  2. But the issue came to critical mass in the public mind, thanks mainly to Mothers Against Drunk Driving, and now you can do time for such behavior.
  3. It reached critical mass in late 1930, when 608 banks failed among them the Bank of the United States, which accounted for about a third of the total deposits lost.
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denigrate
/ˈdɛ nə ˌɡreɪt /