accelerando

from WordNet (r) 3.0 (2006)

accelerando
    adv 1: with increasing speed; "here you must play accelerando"
    adj 1: gradually increasing in tempo
    n 1: a gradually increasing tempo of music; "my ear will not
         accept such violent accelerandos"

from The Collaborative International Dictionary of English v.0.48

Accelerando \Ac*cel`er*an"do\, a. [It.] (Mus.)
   Gradually accelerating the movement.
   [1913 Webster]

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