Category

Table of contents

1 English 1.1 Noun 1.1.1 Translations 1.1.2 Related terms

English

Noun

category (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 continous functions as arrows.

Translations

• CJK Characters: 類, 类
• Chinese: 類別 , 类别
• Dutch: categorie de
• French: catégorie f
• German: Kategorie f
• Greek: κατηγορία f (katēgoría)
• Italian: categoria f
• Japanese: 部門
• Korean: 종류
• Portuguese: categoria f
• Russian: категория f (kategoriya)
• Spanish: categoría f

Related terms

• categorical
• categorise , categorize
• category theory