subclass

A taxonomic category of related organisms ranking below a class and above an order.

A subdivision of a set or class.

A prime subdivision of a class; in zoology and botany, a division or group of a grade between the class and the order; a superorder.

In petrography, in the quantitative classification of igneous rocks (see rock), a division between class and order, based on the relative proportions of the two subgroups of the preponderant group of standard minerals.

To place in a sub-class or secondary division of its class.

One of the natural groups, more important than an order, into which some classes are divided.

A rank directly below class

In object-oriented programming, an object class derived from another class (its superclass) from which it inherits a base set of properties and methods.

In object-oriented programming, to create a subclass of.

(biology) a taxonomic category below a class and above an order