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Keystone
What is a "keystone"?
In architecture, a keystone is the central stone at the top of an arch that holds the other stones in place. It is typically larger than the other stones and is shaped to fit perfectly into the arch's curve. The keystone plays a crucial role in distributing weight and maintaining the stability of the arch. Besides its functional importance, the keystone can also serve as a decorative element, often featuring unique carvings or designs. This feature enhances the overall beauty of the structure while providing essential structural support.
Examples
The archway was supported by a central keystone, which locked the structure into place and distributed the weight evenly.
The Renaissance bridge featured a carved keystone depicting a mythological figure, serving as a focal point of the design.
02
a central element or factor that provides essential support or cohesion to a system or concept
Examples
Trust is the keystone of any successful relationship.
Renewable energy is the keystone of the city's sustainability plan.
Lexical Tree
keystone
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