key-value pair

noun
UK /ˌkiː ˈvæljuː peə/
US /ˌkiː ˈvæljuː per/

A key-value pair is a key and its value that go together like a name and a phone number.

In the list, each key-value pair shows a word and what it means.


OTHER MEANINGS

2. In computing, a data item made of a unique key and the value stored under it.

The settings file stores each option as a key-value pair.

3. In a dictionary or map structure, one entry linking a lookup key to its stored value.

The program looked up the key-value pair for 'apple' and returned its price.

4. A basic unit in configuration files where a setting name is paired with its setting.

Each line in the config file is a key-value pair like 'color=blue'.