riff

from WordNet (r) 3.0 (2006)
Riff
    n 1: a Berber living in northern Morocco [syn: {Riff},
         {Riffian}]
    2: a jazz ostinato; usually provides a background for a solo
       improvisation
    v 1: look through a book or other written material; "He thumbed
         through the report"; "She leafed through the volume" [syn:
         {flick}, {flip}, {thumb}, {riffle}, {leaf}, {riff}]
    2: play riffs
    
from The Free On-line Dictionary of Computing (8 July 2008)
RIFF

   <file format> {Microsoft}'s equivalent to the {Amiga}'s {IFF}
   files format.  RIFF is used for {WAV} and {AVI} files.

   (1995-04-21)
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
RIFF
       Resource Interchange File Format (MS, IBM, MM)
       
    

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