We found one dictionary that defines the word hinge on upon sth:

General (1 matching dictionary)

1. hinge on/upon sth: Cambridge Advanced Learner's Dictionary

▸ Words similar to hinge on upon sth ▸ Usage examples for hinge on upon sth ▸ Idioms related to hinge on upon sth ▸ Wikipedia articles (New!) ▸ Words that often appear near hinge on upon sth ▸ Rhymes of hinge on upon sth ▸ Invented words related to hinge on upon sth