Category Definition

Contents

• 1 English
  • 1.1 Etymology
  • 1.2 Pronunciation
  • 1.3 Noun
    • 1.3.1 Synonyms
    • 1.3.2 Derived terms
    • 1.3.3 Related terms
    • 1.3.4 Translations
    • 1.3.5 External links

English

Etymology

From Middle French catégorie < Late Latin categoria (“class of predicables”) < Ancient Greek κατηγορία (kategoria, “head of predicables”)

Pronunciation

• IPA: /ˈkætəˌɡoɹi/

• Audio (US)
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Noun

category (plural categories)

1. 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.

2. (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.

Synonyms

• (group to which items are assigned): class, family, genus, group, kingdom, order, phylum, race, tribe, type
• See also Wikisaurus:class

Derived terms

Related terms

External links

• category in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• category in The Century Dictionary, The Century Co., New York, 1911

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See Also:

• Category:parking
• Category:rooney Family
• Category:error