cornerstone

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

hoeksteen, fundament

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

:
Trust is the cornerstone of any strong relationship.
Vertrouwen is de hoeksteen van elke sterke relatie.
Education is the cornerstone of a prosperous society.
Onderwijs is de hoeksteen van een welvarende samenleving.
2.

hoeksteen

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.
De burgemeester legde de hoeksteen voor de nieuwe bibliotheek.
The date of construction was carved into the cornerstone.
De bouwdatum was in de hoeksteen gegraveerd.