accelerando

Etymology
Borrowed from, from.

Noun

 * 1)  A tempo mark directing that a passage is to be played at an increasing speed.
 * 2)  A passage having this mark.
 * 3)  Accelerating or  advancement  development (of a thing).

Adverb

 * 1)  With a gradual increase in speed.

Adverb

 * 1) accelerating

Etymology
.

Noun

 * 1)  a passage played