(dated) The Malagasy civet, Fossa fossana, resembling the genet. / The fossa, Cryptoprocta ferox, also of Madagascar.

(historical) A member of an 18th-century British political faction led by Richard Temple, 1st Viscount Cobham.

plural of hyperthyroidism

(philosophy) In the philosophy of science, the view that concepts and theories are merely useful instruments whose worth is measured not by whether the concepts and theories are true or false (or c...