A social and economic class lying above the lower class and below the upper middle class.

plural of upper middle class

plural of abstract factory class

(US, Army) A non-commissioned officer in the United States Army, ranking above a staff sergeant and below a master sergeant or first sergeant.

A social and economic class lying above the lower middle class and below the upper class.

(US) An enlisted rank in the United States Army, of rank E-3, ranking above a private and below a corporal or specialist.

plural of private first class

plural of first class match

(object-oriented programming, programming language) A programming language in which behaviour reuse (or inheritance) is performed via cloning classes instead of using objects as prototypes.

plural of class-based language