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English definition of “open”

open

verb
 
 
/ˈəʊpən/
[I or T] COMMERCE to start doing business and dealing with customers : We open daily from 11 to 6.
[I or T] COMMERCE to start a new business: The Chicago-based coffee chain has opened branches in every major city in the UK.
[I] STOCK MARKET if shares, bonds, etc. open at a particular price or rate, that is the amount they are worth when trading starts that day: Share prices on the London Stock Exchange opened lower today.
[T] to start something: open a conference/meeting/proceedings The Chief Executive opened the meeting with an announcement of big redundancies throughout the group.open discussions/negotiations/talks The union had not yet decided when to open negotiations with management.
[T] IT if you open a computer file, document, or program you make it ready for you to start reading or working on: You can open the program from the menu or by double-clicking the icon. → Compare close (sth) down
open an account BANKING to enter into an agreement with a bank or other financial organization so that they look after your money: Open an internet savings account before the end of March and get a free mobile phone.
open your borders/markets COMMERCE to allow foreign countries to sell their goods and products in your country with fair conditions: The US threatened to put a 100% tax on Japan's luxury cars unless it agreed to open its markets to US cars and parts.
open doors for sb (also open the door for sb) to make it possible for someone to do something: The former Republican candidate was key in opening the door for more women to run for office in the US.
open the floodgates (to sb/sth) to make a lot of people do something by removing a rule that stopped it being possible before, especially when you do not want this to happen: Banks feared the legal action could open the floodgates for customers to sue over high fees.
(Definition of open verb from the Cambridge Business English Dictionary © Cambridge University Press)
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