TANGENT (tăn′jənt). noun: in maths a periodic function; a line, curve, or surface meeting another at a common point and sharing a common tangent line or plane at that point. adjective: meeting in a single point if a sufficiently small interval is considered. idiom: digressing suddenly from one course of action or thought and turning to another.

RADIO TANGENT. noun: small intervals, focused briefly on a single point, periodically