adj.
Function: noun
Date: 1848
: a straight line related to a point specifically : the straight line joining the points of contact of the tangents from a point exterior to a conic section
adj.
Function: noun
Date: 1848
: a straight line related to a point specifically : the straight line joining the points of contact of the tangents from a point exterior to a conic section
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012