Please limit use of too many abbreviations.

OT?

OT
From Wikipedia, the free encyclopedia
OT could stand for:

Operational Transformation an optimistic concurrency control method for group editing
Aeropelican Air Services IATA airline designator
overtime
oblivious transfer
occupational therapy
Occupational therapist
Old Testament
Old Trafford
on-topic & off-topic
Operating Thetan, in Scientology, a spiritual state of a being able to operate free of the encumbrances of the material universe
operating theatre
optimality theory
Oakville Trafalgar High School
Otago, a region of New Zealand
Offtopic.com, a message board
See also

Ot, Mongolian goddess
Ot (Cyrillic) (Ѿ, ѿ), a letter of the early Cyrillic alphabet