circle of Apollonius
существительное
—
(geometry) The figure (a generalised circle) definable as the locus of points P such that, for given points A, B and C, \frac{|AP|}{|BP|} = \frac{|AC|}{|BC|}.
—
(geometry) Any of eight circles (including degenerate cases) that, for a given set of three circles, solve the problem of Apollonius (i.e., intersect each circle tangentially).
