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inflection point

American  
[in-flek-shuhn point] / ɪnˈflɛk ʃən ˌpɔɪnt /

noun

  1. Also called point of inflection.  Also called flex pointMathematics. a point on a curve at which the curvature changes from convex to concave or vice versa.

  2. a point at which a major or decisive change takes place; critical point.

    We’re at an inflection point where we’ll see the technology move forward at a much faster pace.


Etymology

Origin of inflection point

First recorded in 1715–25