- noun a junction where one road joins another at right angles
(written as T junction)a connection at right angles to a cable carrying the main signal or power
(written as T junction)A waveguide junction whose longitudinal axis is intersected by a branch at a right angle, so as to resemble a capital letter T.
(written as T junction)A point in a circuit where two or more conductors meet at right angles, so as to resemble a capital letter T. Also, such a point along a transmission line, such as a coaxial cable.
- noun a place where two roads meet at right angles to each other