Definition of class distinction in English:

class distinction

Pronunciation /ˌklɑːs dɪˈstɪŋ(k)ʃn/ /ˌklas dɪˈstɪŋ(k)ʃn/

noun

  • 1The differentiation of one social class from another; (also) a point of differentiation between social classes, as a characteristic attitude, behaviour, etc.

  • 2A distinction between two classes of objects; (also) a distinction between two objects on the basis of their membership of different classes.

Origin

Early 19th century. From class + distinction.