noun
EXAMPLES FROM CORPUS
▪
Also there was the mainspring of the enterprise, the catering team.
▪
Anticipation is an essential ingredient in good business practice; it is one of the mainsprings that drives a successful business on.
▪
It so happened that the mainspring of my clockwork mouse had broken that very morning.
▪
Kitson's great organizing ability, technical ingenuity, and grasp of industrial developments was the mainspring of these activities.
▪
The mainsprings of his activity were his religious and political convictions.
▪
This double vision of the woman-goddess is said to be the mainspring of Shakespeare's tragedies.