The middle class in America is defined by this income range.

Thompson's work was also significant because of the way he defined "class".

These include the habit of having money, which is beginning to define social class as never before.

The class is well defined; its properties and methods easy to use.

A class is defined as "a collection of similar entities".

Republicans define "middle class" to embrace those making $200,000 per year.

There is considerable debate as to how the upper middle class might be defined.

A class is defined as a set of individuals sharing common properties.

The middle class is perhaps the mostly vaguely defined of the social classes.

In C++, a structure is a class defined with the keyword.