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Keys and combinations



a set of keys that are together on a metal ring



a set of numbers that allows you to open a lock or door or turn off an alarm



a series of numbers or letters used for operating a combination lock



a small piece of metal used for opening or locking a door or a container, or for starting the engine of a vehicle

key card


a small plastic card that has electronic information stored on it. It is used for opening doors.

key ring


a metal ring used for keeping keys together



the key for opening the lock of an outer door from the outside

master key


a key that will open all the doors in a building

pass key


a key that opens all the locks in a building such as a hotel or office

pass key


a key to a place used for secret or dangerous activities, given only to people with official permission to enter it

skeleton key


a key that can open many different locks

swipe card


a plastic card that you pass through a piece of electronic equipment that reads the information stored on the card, for example in order to open a door or to pay for something

food rave

a very large party where people eat, sell or share many different types of food, usually held outside or in a large public building

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profit margin

the difference between how much money you get when you sell something and how much it costs you...

Open Dictionary

dead white (European) male

a man … whose achievements may have been overestimated because he belonged to the gender and ethnic group … that was dominant at the time

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