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- pronunciation:
- krI
tih
k
 l
maes
| part of speech: |
noun |
| definition 1: |
the minimum mass of fissionable material necessary to sustain a nuclear chain reaction.
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| definition 2: |
the amount or number necessary or sufficient to cause an effect or result.
Government policy will change when the number of protesters reaches a critical mass. |
| related words: |
crisis |
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