subtype
/ˈsʌbˌtaɪp/
noun
- A category that is a more specific part of a larger category or type.
- When organizing your music library, you can sort songs by genre and then by subtype like jazz fusion or classical.
- The biologist identified a new subtype of the plant species in the rainforest.
- Influenza has several subtypes, including H1N1 and H3N2.