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

• 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

• expel from a community or group

• avoid speaking to or dealing with

• collect and study plants

• liquidate gradually