subclass

/ˈsʌbˌklæs/
noun
  1. A secondary or smaller category within a larger class or group.
    • In biology, mammals are a subclass of vertebrates.
    • This software has a main class and several subclasses that inherit its features.
    • The library organized books by genre, with a subclass for mystery novels.
Antonyms
verb
  1. To place or categorize something into a subclass.
    • The programmer decided to subclass the existing object to add new functions.
    • You can subclass the main category to create more specific groups.
    • Scientists subclass the minerals based on their chemical composition.
What does "subclass" mean? | whatsthatwordmean | whatsthatwordmean