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2017 Word of the Year

point of inflection

noun, Mathematics.
Origin of point of inflection
1735-1745
First recorded in 1735-45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for point of inflection

point of inflection

noun (pl) points of inflection
1.
(maths) a stationary point on a curve at which the tangent is horizontal or vertical and where tangents on either side have the same sign
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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