hinge on/upon something phrasal verb (see also hinge)
if a result hinges on something, it depends on it completely:
His political future hinges on the outcome of this election.
The case against him hinged on Lewis’ evidence.

[TahlilGaran] Dictionary of Contemporary English ▲

hinge on
hinge on (something)
to depend on something.
The case hinged on whether the jury believed the accused thief or the two witnesses.

Etymology: based on the idea that a door is attached to its frame by a hinge (= folding device)

[TahlilGaran] English Idioms Dictionary ▲

hinge on something
hinge on (something)
to depend on something.
The case hinged on whether the jury believed the accused thief or the two witnesses.

Etymology: based on the idea that a door is attached to its frame by a hinge (= folding device)

[TahlilGaran] English Idioms Dictionary ▲

hinge on
depend on something
Whether or not I can enter the university hinges on my final exam score.

[TahlilGaran] English Idioms Dictionary ▲

hinge on something
depend on something
Whether or not I can enter the university hinges on my final exam score.

[TahlilGaran] English Idioms Dictionary ▲

hinge on
v. To depend on as decisive: be decided by.
In a dictatorship, everything hinges on one man.
A tobacco grower's income for the year may hinge on what the weather is like in a few summer weeks.

[TahlilGaran] English Idioms Dictionary ▲