geometry

/d͡ʒiːˈɒm.ɪ.tɹi/

Proposed by a contributor, not yet supported by evidence.

Also seen as: geometries

Sense 1

Meaning · English

The branch of mathematics dealing with spatial relationships.

Noun

Examples

ANY problem in geometry can easily be reduced to such terms that a knowledge of the lengths of certain straight lines is sufficient for its construction.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

A mathematical system that deals with spatial relationships and that is built on a particular set of axioms; a subbranch of geometry which deals with such a system or systems.

Noun

Examples

1975 [Addison-Wesley], Eugene F. Krause, Taxicab Geometry, 1986, Dover, page 64, Entire new geometries are also suggested by real-world cities.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “geometry” mean?

The branch of mathematics dealing with spatial relationships.

Is “geometry” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.