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hinge (up)on (someone or something)

To be dependent or reliant on someone or something. Our vacation plans hinge on how quickly the hurricane gets to the island.
See also: hinge

hinge (up)on someone or something

Fig. to depend on someone or something; to depend on what someone or something does. (Upon is formal and less commonly used than cm.) The success of the project hinges upon you and how well you do your job. How well the corn crop does all hinges on the weather.
See also: hinge, on

hinge on

Also, hinge upon. Depend or be contingent on, as in This plan hinges on her approval. This expression employs the verb hinge in the sense of "to hang," as a door would hang on a hinge, a usage dating from the early 1700s.
See also: hinge, on

hinge on

or hinge upon
To depend on something or someone. Used of facts, events, and situations: The success of this play hinges on three weeks of rehearsal. Whether or not we reach our fundraising goal hinges upon our volunteers.
See also: hinge, on
References in periodicals archive ?
Lastly, run a 1/2-inch-long 1/4-20 bolt through a washer and the top half of the hinge and into the base of a camera ball head.
Hanging your new door Support the door on wedges at right angles to the frame, fix the hinge flaps to the door frame, using only one screw so it's easier to adjust.
sustain the hinges of the cafe doors that bring men in galoshes
Ensure the screw heads don't protrude above the hinge or you'll have difficulty shutting the door.
A full-mortise hinge is cut into both sides; a half-mortise hinge is cut into the door; the other leaf is surface-mounted.
Are the hinge openings large enough to allow spray to reach both the bottom and top surfaces?
This design augments plant sanitation practices in several ways: its open hinge design enables rods and hinges to be more accessible for thorough cleaning, and its underside drive bar channels water and debris to belt edges for easy removal.
5mm and 21 mm and these hinges can be used with a capacity load up to 80kg on the basis of 3 hinges.
The thickness of the hinge flap dictates the depth of the recess, so mark it onto the cabinet when you mark on the overall position of the hinge.
I know I don't hinge my wrists properly in the backs wing but when I try to hinge them the ball usually slices.
1-millimeter-long mandible was attached to the creature's head at two hinge points rather than one.
Remember to repeat this process for the lower hinge.
Currently in the United Kingdom there are over 100 bridges containing hinge joint components, introduced to simplify and standardise designs.
According to the AAOS, the knee is considered a hinge joint because of its ability to bend and straighten like a hinged door.