Langage Temps-RÊel. (French for "real-time language") A French predecessor to Ada, LTR is Modula-like wITh a set of special-purpose real-time constructs based on an event model. IT was mentioned in the reference below. ["An Overview of Ada", J.G.P. Barnes, Soft Prac & Exp 10:851-887 (1980)]. (1995-01-31)