cornerstone

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

köşetaşı, temel

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

:
Trust is the cornerstone of any strong relationship.
Güven, her güçlü ilişkinin köşetaşıdır.
Education is the cornerstone of a prosperous society.
Eğitim, müreffeh bir toplumun köşetaşıdır.
2.

köşetaşı, temel taşı

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.
Belediye başkanı yeni kütüphanenin köşetaşını koydu.
The date of construction was carved into the cornerstone.
İnşaat tarihi köşetaşına oyulmuştu.