Source : Free On-Line Dictionary of Computing

LTR
     
        Langage Temps-Reel.
     
        (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)