cornerstone

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

pedra angular, alicerce

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

:
Trust is the cornerstone of any strong relationship.
A confiança é a pedra angular de qualquer relacionamento forte.
Education is the cornerstone of a prosperous society.
A educação é a pedra angular de uma sociedade próspera.
2.

pedra fundamental, pedra angular

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.
O prefeito lançou a pedra fundamental da nova biblioteca.
The date of construction was carved into the cornerstone.
A data de construção foi gravada na pedra fundamental.