inflection point

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


Origin:
1715–25

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Example sentences
However, they now find themselves at another inflection point, having to choose between the hardware space or something new.
There's usually an inflection point--an age at which the number of breakdowns starts to rise dramatically.
Then the slope rises ever more steeply as bacteria proliferate until it reaches an inflection point.
We are at a historic inflection point in cancer care and research.
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