inflection point

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inflection point

[in′flek·shən ‚pȯint]
(mathematics)

point of inflection

The point on the length of a structural member subjected to flexure at which the direction of curvature changes and at which the bending moment is zero.
References in periodicals archive ?
The point of inflexion for the curve for primary sector occurs at x=6 i.
We believe the main macro drivers, namely inflation, GDP and interest rates, have reached a point of inflexion and, as such, we expect all three of the above to contribute positively as we move into 2010.
There is every likelihood that the response of even our better students to the second question will be of the form: horizontal point of inflexion, since f'(x) = 0 defines a horizontal point (gradient zero) while f"(x) = 0 indicates a point of inflexion, provided the sign of f"(x) changes (change of concavity).