two-tuple

noun
UK /ˈtuː tjuːpəl/
US /ˈtuː tʌpəl/

A two-tuple is a pair of two things that go together in order.

The two-tuple (3, 5) has the number 3 first and the number 5 second.


OTHER MEANINGS

2. In mathematics, an ordered pair of elements used to represent a point or relationship.

The point (2, 7) is a two-tuple of coordinates.

3. In computing, a data structure that holds exactly two values.

The function returns a two-tuple containing a name and an age.

4. A general term for any set of two items considered together.

We stored the key and value as a two-tuple.