noun
1. : a straight line that is the locus of points from which tangents drawn to two given circles are equal
2. : a straight line common to the three radical planes of three given spheres taken in pairs
noun
1. : a straight line that is the locus of points from which tangents drawn to two given circles are equal
2. : a straight line common to the three radical planes of three given spheres taken in pairs
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012