Subclass

Subclass could mean:

• Subclass (biology), a taxonomic rank intermediate between class and superorder
• Subclass (computer science), a class that is derived from another class or classes
• Subclass (database theory), a class which inherits its data members and methods of their superclasses
• Subclass (set theory), a class contained in some other class in the same way that a subset is a set contained in some other set