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Definition of subcategory

subcategory

/ˌsʌbˈkæt.ə.ɡɔː.ri/
sub · cat · e · go · ry

Plural:subcategories
•
Adjective:subcategorical
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subcategory Lexical Profile

subcategory Game Scores & Validity

• noun

1

A smaller or subordinate division within a larger category or classification system.

Example

"Historical fiction is a popular subcategory within the broader literary genre of fiction."


2

In mathematics, a category whose objects and morphisms are subsets of those of a given category, preserving identities and composition.

Example

"The set of all finite groups forms a full subcategory of the category of all groups."

Synonyms
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• Rhymes for subcategory

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Subcategory. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/subcategory
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