Hinge
Definition 1 of 3
Pro Tip 1/3
Mechanical Function
A hinge often involves movement and provides flexibility between two solid objects. The piano lid uses a hinge to open smoothly without being removed.
Pro Tip 2/3
Common Objects
Hinges are commonly found in everyday items, making things like doors and cabinets function. Each time you open a notebook, you're using the hinge concept.
Pro Tip 3/3
Sound Association
Hinges can be associated with a distinctive creaking sound if they are not well-oiled. She knew he had arrived because the gate's hinge creaked loudly.