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pronounced: /KRIT-ik-ul MAS/ 1. (noun) In physics, a measurable point at which a reaction becomes self-sustaining or self-increasing without external force 2. (noun) In sex, the moment when an orgasm is inevitable. 3. (noun) An emotional state of a large group of people which reaches a crescendo (such as in an angry mob or in a concert). 4. (noun) In traffic, the state of having too many cars on the road to effectively move.
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