accel
n. countable C1 Advanced US //əkˈsɛɫ// ac·cel
n. a short way of saying 'accelerando', which means to play music faster and faster. You see this in sheet music to tell the musician to speed up the tempo.
n. an abbreviation for 'accelerando', indicating a gradual increase in tempo. Used in musical notation to direct the performer to speed up the execution of a passage.
The conductor pointed to the 'accel' in the score.
The pianist followed the 'accel' marking, gradually increasing the speed of the final movement until the piece reached its climax.
While the initial section of the symphony is marked at a steady tempo, the composer introduces an 'accel' in the third movement to build tension before the final resolution.