(dated (chiefly 1870s), historical, offensive) peanut gallery

plural of heavy roller

plural of heavy goods vehicle

A lorry, truck or other large vehicle used to transport cargo with a total weight of at least 3.5 tonnes.

Alternative form of keep one's head above water

(idiomatic) To survive or endure, especially in a situation in which one is struggling to avoid being overwhelmed by adverse financial circumstances.

plural of specific heat capacity

Alternative spelling of pinhead

(nuclear physics) An ionized atom that is usually heavier than helium.

plural of heavy ion