Power of a point

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(Geom.)

the result of substituting the coördinates of any point in that expression which being put equal to zero forms the equation of the curve; as, x2 + y2 - 100 is the power of the point x, y, relative to the circle x2 + y2 - 100 = 0.

See also: Power

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

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