11-Letter Words Starting: OS

• expel from a community or group

• avoid speaking to or dealing with

• by means of osmosis

• the recording produced by an oscillograph

• extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic

• a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.

• having periodic vibrations