- Any periwinkle. - Any one of various marine spiral gastropods, esp., in the
United States, either of two species of Fulgar (F. canaliculata, and F.
carica).
- Common compound - compounds made of smaller molecules - Synthetic compound - Any one of two or more substances related to each other by
polymerism; specifically, a substance produced from another substance
by chemical polymerization.
- Any one of numerous species of plectognath fishes
belonging to Tetrodon and allied genera. Each jaw is furnished with two
large, thick, beaklike, bony teeth.
- Any one of a series of compounds analogous to the
ketones, and consisting of the sulphuryl group united with two
hydrocarbon radicals; as, dimethyl sulphone, (CH/)/.SO/.