foundation stone

• Большой камень, закладываемый в основание здания во время церемонии, знаменующей начало строительства, или, в переносном смысле, фундаментальная основа или отправная точка чего-то важного.

A large stone set at the base of a building during a ceremony to mark the start of construction, or figuratively, the fundamental basis or starting point of something important.

1. Literal building stoneB2formal

   A large stone set at the base of a building during construction, often commemorated with a ceremony.

   Краеугольный камень

   • The mayor laid the foundation stone for the new hospital.
   • A time capsule was placed under the foundation stone.
   • The foundation stone was carved with the date of construction.

2. Basis or starting pointC1formal

   The fundamental principle or basis upon which something is built or established.

   Основа или отправная точка

   • Trust is the foundation stone of any strong relationship.
   • Education is the foundation stone of a prosperous society.
   • This treaty served as the foundation stone for lasting peace.