Look up subclass in Wiktionary, the free dictionary.

Subclass may refer to:

• 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.

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