Music. relative rapidity or rate of movement, usually indicated by such terms as adagio, allegro, etc., or by reference to the metronome.
2.
characteristic rate, rhythm, or pattern of work or activity: the tempo of city life.
3.
Chess. the gaining or losing of time and effectiveness relative to one's continued mobility or developing position, especially with respect to the number of moves required to gain an objective: Black gained a tempo.
"relative speed of a piece of music," 1724, from It. tempo, lit. "time" (pl. tempi), from L. tempus (gen. temporis) "time." Extended to non-musical senses 1898.
A programming language with simple syntax and semantics designed for teaching semantic and pragmatic aspects of programming languages. ["TEMPO: A Unified Treatment of Binding Time and Parameter Passing Concepts in Programming Languages", N.D. Jones et al, LNCS 66, Springer 1978].
Tempo definition
operating system The original code name for Mac OS version 8. (1997-10-15)