Type and usage of keystone from BoostVocab

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keystone

/'ki,stoʊn/

Synonyms of keystone Antonyms of keystone Examples of keystone Usage of keystone Parts of keystone Definition that contains keystone Words sounding like keystone Explanation of keystone

noun
a central cohesive source of support and stability
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"the keystone of campaign reform was the ban on soft money"

Similar:

anchor backbone linchpin lynchpin mainstay

type of:
support
noun
the central building block at the top of an arch or vault
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Similar:

headstone key

type of:
building block

part of:
arch

Examples of keystone

"the keystone of campaign reform was the ban on soft money"