9-Letter Words Containing: A,S,T,O,N

• a powerful neurotoxin produced by certain dinoflagellates found in red tides; it can accumulate in mollusks that feed on the dinoflagellates and cause food poisoning to humans

• crested ill-smelling South American bird whose young have claws on the first and second digits of the wings

• A jack; one of the playing pieces in the game of jacks.

• a skin problem marked by the development (on the eyelids and neck and back) of irregular yellow nodules; sometimes attributable to disturbances of cholesterol metabolism

• A flat-bottomed boat with a very shallow draft, whose bow and stern are both squared off

• a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium

• any animal of the subkingdom Metazoa; all animals except protozoans and sponges

• collect and study plants