Words similar to subclass

Example sentences for: subclass

How can you use “subclass” in a sentence? Here are some example sentences to help you improve your vocabulary:

Specifically, reduced rates for books would be eliminated, and even if there were a separate subclass for them, it would not have rates that are invariant with distance.
In the United States, the Rate Commission determines the attributable cost for each class and subclass of mail.
The first is the subclass approach and the second is the rate category approach.
Minor" classification changes are defined as those that would not change any existing rate or fee; would not impose any new restriction on eligibility for mailing; and would not significantly increase or decrease the estimated contribution of the affected mail subclass or service category to the institutional costs of the Postal Service.
Then the Postal Service could make wide-ranging adjustments of the rates in the subclass, including contract rates for some of the subclass users, as long as the average rate for the subclass does not go below the inverse cap.