Power of a point
Also found in: Wikipedia.
|(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.