Found 19,840 abbreviations starting with O:

O.A.

Order of Australia

Regional » Australian

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O.A.M.

Medal of the Order of Australia

Regional » Australian

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O.C.G.A.

Official Code of Georgia Annotated

Community » Educational

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O.D.

Doctor of Optometry

Academic & Science » Academic Degrees

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O.M.D./D.O.M

Oriental Medical Doctor / Doctor or Oriental Medicine

Medical » Prescription

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O.O

Surprised. Confused. Shocked.

Internet » Emoticons

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O.o

Confusion

Internet » Emoticons

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O.O.D.

Operations Officer of the Day

Governmental » Military

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O.P.

osmotic pressure

Medical » Physiology

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o.p.d.

once per day

Medical » Prescription

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O.R.N.

Operating Room Nurse

Medical » Hospitals

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o.s.

oculus sinister - left eye

Medical » Prescription

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O.S.

left eye (ocularis/oculus sinister (Lat.)

Medical

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O.T.R.

Occupational Therapist Registered

Business » Occupation & Positions

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o.u.

oculus uterque - both eyes

Medical » Prescription

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O/A

Open Account

Business » International Business

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o/a

on admission

Medical » Hospitals

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o/a

old age

Medical » Physiology

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o/a

on account

Business » General

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o/A

on arrival

Miscellaneous

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O/B

Onboard

Governmental » NASA

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O/B

Operational Base

Governmental » NASA

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O/B

Outboard

Governmental » Military

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o/b

overboard

Miscellaneous » Ship Types

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o/b

outboard

Miscellaneous » Ship Types

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