category

/ˈkæ.tɪ.ɡə.ɹi/

Proposed by a contributor, not yet supported by evidence.

Also seen as: categories

Sense 1

Meaning · English

A group, often named or numbered, to which items are assigned based on similarity or defined criteria.

Nghĩa · Tiếng Việt

một nhóm dựa trên sự tương tự

Machine-translated — suggest a fix

Noun

Examples

This steep and dangerous climb belongs to the most difficult category.

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 collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.

Nghĩa · Tiếng Việt

Một tập hợp các đối tượng cùng với một tập hợp các mũi tên có thể kết hợp được giữa chúng

Machine-translated — suggest a fix

Noun

Examples

One well-known category has sets as objects and functions as arrows.

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 “category” mean?

A group, often named or numbered, to which items are assigned based on similarity or defined criteria.

Is “category” formal or informal?

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