Noun
With respect to a given category, a more narrow category.
(category theory) A subclass of a category which is itself a category, whose arrows are a restriction of the arrows of the parent category, and whose composition rule is a restriction of the parent category's
Source: en.wiktionary.orgReally? Is he running for Worst Boyfriend Ever?" "In the subcategory of Completely Awesome. Rachel Caine
Airports may also appear under this subcategory, including air traffic control and refuelling operations for international airports through to smaller domestic exposures. Source: Internet
Earning subcategory wins across the challenge were the University of California, Berkeley (most-improved), Oregon State University (best student-athlete engagement) and Stanford University (best fan engagement). Source: Internet
Category of groupoids A subgroupoid is a subcategory that is itself a groupoid. Source: Internet
If D is a subcategory of C, then every morphism in D which is an epimorphism when considered as a morphism in C is also an epimorphism in D; the converse, however, need not hold; the smaller category can (and often will) have more epimorphisms. Source: Internet
Fueled by pop culture and celebrity influences, lip colour remains the fastest-growing colour cosmetics subcategory in China. Source: Internet