Definition of turn upon (something)
- The outcome of the election turns upon how well the candidates perform in the next debate.
- The discussion turned upon the question of how the money should be spent.
: to cause to move around an axis or a center : make rotate or revolve
: to cause to move around so as to effect a desired end (as of locking, opening, or shutting)
: to affect or alter the functioning of (something, such as a mechanical device) or the level of (something, such as sound) by such movement
: the action or an act of turning about a center or axis : revolution, rotation
: any of various rotating or pivoting movements in dancing or gymnastics
: the action or an act of giving or taking a different direction : change of course or posture : such as
: on the surface : on it
: thereafter, thereon
: some indeterminate or unspecified thing
: some indeterminate amount more than a specified number
: a person or thing of consequence
: in some degree : somewhat
used as an intensive giving adverbial force to an adjective
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