category
Definition from Wiktionary, the free dictionary
- For information about Wiktionary categories, see Wiktionary:Categorization.
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[edit] English
[edit] Etymology
From Middle French categorie, from Late Latin categoria (“class of predicables”), from Ancient Greek κατηγορία (kategoria, “head of predicables”).
[edit] Pronunciation
[edit] Noun
category (plural categories)
- 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.
- (mathematics) A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow.
- One well-known category has sets as objects and functions as arrows.
[edit] Synonyms
- (group to which items are assigned): class, family, genus, group, kingdom, order, phylum, race, tribe, type
- See also Wikisaurus:class
[edit] Derived terms
Terms derived from "category"
[edit] Related terms
Terms etymologically related to "category"
[edit] Translations
group
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collection in math
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
[edit] External links
- category in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- category in The Century Dictionary, The Century Co., New York, 1911
