R/T

Noun

 * 1) Radiotelephone; radiotelegraph.
 * 2) * 1953,, The Long Goodbye, Penguin 2010, p. 18:
 * I had no mental picture at all of Terry Lennox loafing around one of the swimming pools in Bermuda shorts and phoning the butler by R/T to ice the champagne and get the grouse a-toasting.

Adjective

 * 1)  ; used to indicate a high performance edition of a vehicle or part, capable of use for everyday driving as well as amateur racing.
 * 2)  ; used to indicate a ruggedized version of a part, capable of on-road performance and off-road track/terrain performance.
 * 3)  ; a type of all-terrain tire (A/T) with better off-road and on-road performance (similar to M/T and H/T respectively).