Englishfor English speakers
acute
Adjective
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If an angle is acute, it is less than 90 degrees in size.
I had to measure the size of the acute angle in math class. It was 35 degrees in size.
hinge
Noun
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A hinge is a small metal thing that holds a door to the wall and bends to let the door move.
The door hinges made a squeaking noise as it opened.
hinge
Verb
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If something hinges on something, it depends on it.
My decision hinges on the results of the survey.
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If you hinge something, it means you put a hinge on it.
The lid of the jewelry box was hinged with leather strips.
John hinged the jewelry box with leather strips.