As nouns the difference between subcategory and subtopic
is that subcategory is with respect to a given category, a more narrow category while subtopic is a subject that forms part of a topic.
subcategory
English
Alternative forms
* sub-category
Noun
(subcategories)
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
Synonyms
* child category
Antonyms
* supercategory
subtopic
English
Noun
(
en noun)
A subject that forms part of a topic.
:The meeting dragged on interminably as topics were divided into subtopics which were divided in to sub-sub-topics, ad infinitum.
Related terms
*supertopic