Accel is a abbreviation of accelerando.
In lang=en terms the difference between accelerando and accel
is that accelerando is a passage having this mark while accel is accelerando.
As a noun accelerando
is a tempo mark directing that a passage is to be played at an increasing speed.
As an adverb accelerando
is with a gradual increase in speed.
As an abbreviation accel is
accelerando.
accelerando
English
Noun
(
en noun)
(music) A tempo mark directing that a passage is to be played at an increasing speed.
(music) A passage having this mark.
Adverb
(-)
(label) with a gradual increase in speed
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accel
English
Abbreviation
(Abbreviation)
(head)
(music) accelerando