accelerando
Pronunciation:
/æksɛləˈɹændəʊ//ɑ.ˌtʃɛl.ə.ˈɹɑn.do/noun
Definitions
A tempo mark directing that a passage is to be played at an increasing speed.
A passage having this mark.
(by extension) Accelerating or exponential advancement or development (of a thing).
adverb
Definitions
With a gradual increase in speed