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os

Pronunciation: (os), [key]
—n.,
—pl. os•saPronunciation: (os'u). [key]
Anat., Zool.a bone.

Pronunciation: (os), [key]
—n.,
—pl. o•raPronunciation: (ôr'u, ōr'u). [key]
Anat., Zool.a mouth or orifice of the body.

Pronunciation: (ōs), [key]
—n.,
—pl. o•sarPronunciation: (ō'sär). [key]
Geol.an esker, esp. when of great length.

1. Old Saxon.
2. Computers.operating system.

—Symbol, Chem.osmium.

(of the calendar) Old Style.

1. (of the calendar) Old Style.
2. out of stock.
3. (in banking) outstanding.

1. (in prescriptions) the left eye.
2. Old Saxon.
3. Old School.
4. Old series.
5. (of the calendar) Old Style.
6. See ordinary seaman.

1. (in prescriptions) the left eye.
2. See ordinary seaman.

See also: