cornerstone

US /ˈkɔːr.nɚ.stoʊn/
UK /ˈkɔːr.nɚ.stoʊn/
"cornerstone" picture
1.

краеугольный камень, основа

an important quality or feature on which a particular thing depends or is based

:
Trust is the cornerstone of any strong relationship.
Доверие — это краеугольный камень любых крепких отношений.
Education is the cornerstone of a prosperous society.
Образование — это краеугольный камень процветающего общества.
2.

краеугольный камень, основной камень

a stone that forms the base of a corner of a building, especially one laid at a formal ceremony

:
The mayor laid the cornerstone for the new library.
Мэр заложил краеугольный камень новой библиотеки.
The date of construction was carved into the cornerstone.
Дата постройки была высечена на краеугольном камне.