category
/ˈkæt.ɪˌɡoɹ.i/ noun B1- A group, often named or numbered, to which items are assigned based on similarity or defined criteria. · This steep and dangerous climb belongs to the most difficult category.· I wouldn’t put this book in the same category as the author’s first novel.
- 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. · One well-known category has sets as objects and functions as arrows.
Plural categories
From the library
“Do you include violin-playing in your category of rows?” he asked, anxiously.
The patron of La Jeune Amélie proposed as a place of landing the Island of Monte Cristo, which being completely deserted, and having neither soldiers nor revenue officers, seemed to have been placed in the midst of the ocean since the time of the heathen Olympus by Mercury, the god of merchants and robbers, classes of mankind which we in modern times have separated if not made distinct, but which antiquity appears to have included in the same category.
When only a few options exist in a given category, we readily accept minor flaws, attributing any lingering dissatisfaction to the limited market.
Learn category in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.