(n.) A compound of bromine with a positive radical.

abstraction banality chestnut cliche commonplace commonplace expression corn familiar tune general idea generalization generalized proposition glittering generality hackneyed expression hackneyed saying lieu commun locus communis old joke old saw old song old story platitude prosaicism prosaism prose reiteration retold story rubber stamp shibboleth stereotyped saying sweeping statement tag tired cliche trite saying triticism truism twice-told tale