plural of proper class

(set theory) A class which is not a set.

plural of trousered class

plural of sub-class

(mathematics, topology, geometry) Any of a group of characteristic classes associated with complex vector bundles, with applications in physics, string theory, etc.

The social class of those who are educated and who perform skilled work for a living.

The practice by members of the middle class of visiting working class areas or slums out of curiosity or for entertainment. / Tourism catering to a wealthy elite (contrasted with mass tourism).

(derogatory) The privileged ruling class of bureaucrats and Communist Party functionaries that arose in states that followed the Soviet style of communism.

plural of weeder class

plural of word class