base

BOTTOM

B1the bottom part of something, on which it stands

• There's a crack in the base of the vase.

MAIN PLACE

B2the main place where a person lives or works, or a company is

• The company's base is in Singapore.
• Hanoi is a good base for exploring the north.

MILITARY

B2a place where soldiers or other military people live and work

• He works at an army base.

STARTING POINT

B2the most important part of something from which it can develop

• The town has a strong economic base.

DEVELOP FROM

B1to use something as the main idea from which something else is developed

• The film is based on a true story.
• Prices are based on the size of the room.

PLACE

B2to have the main place where you live or work somewhere

• The company is based in Paris.
• She's based in our London office.