What does OOT stand for?

Object-Oriented Technology - Computer science (CDE)

Office of Operational Testing (SAUS)

Oil Out Temperature

Onotoa - Kiribati - Airport symbol (OAG)

Ootomari - Former USSR - Seismograph station code, US Geological Survey - Closed (SEIS)

Out of Oxygen Tent

Out of Territory (VLIE)

Out of Tolerance (FAAC)

Out-of-Town - Word processing

Transport Canada - Transports Canada Ottawa, Ontario - Library symbol - National Library of Canada (NLC)