In mathematics, specifically category theory, a subcategory of a category C is a category S whose objects are objects in C and whose morphisms are morphisms in C with the same identities …

The meaning of SUBCATEGORY is a category that is a subdivision of a larger category : a secondary category. How to use subcategory in a sentence.

It is natural to consider the subcategory of those objects whose elements are determined by the set of tests they satisfy.

SUBCATEGORY definition: a subordinate category or a division of a category. See examples of subcategory used in a sentence.

Subcategory definition: A subdivision that has common differentiating characteristics within a larger category.

pl. sub·cat·e·go·ries A subdivision that has common differentiating characteristics within a larger category. American Heritage® Dictionary of the...

subcategory in American English (sʌbˈkætəˌɡɔri, -ˌɡouri) noun Word forms: plural -ries a subordinate category or a division of a category

Factsheet What does the noun subcategory mean? There is one meaning in OED's entry for the noun subcategory. See ‘Meaning & use’ for definition, usage, and quotation evidence.

Oct 16, 2025 · subcategory (plural subcategories) With respect to a given category; a narrower category. quotations

May 2, 2024 · A category is a broad classification or grouping, whereas a subcategory is a more specific division within a category.