(physics) A gas composed of a large number of fermions.

(aviation) One of a number of terminals or airports which are interchangeable for the purposes of ticketing.

(politics, economics, chiefly Internet, countable) Clipping of anarcho-communist. / (politics, economics, chiefly Internet, uncountable) Clipping of anarcho-communism.

(architecture) A cross-shaped rib of an ogival vault.