Cornerstone
audio of Cornerstone
Cornerstone [kawr-ner-stohn]

NOUN

NOUN

  • An important quality or feature on which a particular thing depends or is based.

  • Something that is essential or basic.

Example

“The cornerstone of the experiment is this chemical.”

“New incentives were the cornerstone of the policy.”

Synonyms

Essential, Foundation, Keystone, Base, Mainspring

Antonyms

Artifact, Disassembly, Achromatic, Exterior, Top