Bedeutung von “key” im Essential American English Dictionary


noun us /ki/

A1 a piece of metal that you use for locking a door or starting an engine:

I lost my car keys.

A2 a list of answers to an exercise or game:

The answer key is on page 134.

B1 one of the parts you press on a computer keyboard to produce letters and numbers

B1 one of the parts you press on a musical instrument to make a sound

a set of musical notes based on one particular note:

the key of D major
the key to something

B1 the thing that you must do in order to achieve something:

Hard work is the key to success.

(Definition von “key noun” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)