OXFORD 9000
📚 noun • entry_id 12696

category

/ˈkætəˌɡɔɹi/
Meanings (ES + gloss)
categoría
A group, often named or numbered, to which items are assigned based on similarity or defined criteria.
I wouldn’t put this book in the same category as the author’s first novel.
This steep and dangerous climb belongs to the most difficult category.
categoría
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.
Just as a monoid consists of an underlying set with a binary operation "on top of it" which is closed, associative and with an identity, a category consists of an underlying digrap…
One well-known category has sets as objects and functions as arrows.
Word forms