subclass

Meanings

1. 1
   noun

   a class derived from another class in object-oriented programming

   The Button subclass overrides the default render method.

2. 2
   verb

   to create or define a class that inherits from another class

   You can subclass the base controller to share authentication logic.

3. 3
   noun

   a secondary class within a larger class or category

   Biologists placed the organism in a different subclass.

From sub- (under, below) + class. The programming sense mirrors taxonomy: a subclass sits below and inherits from a broader class.

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