Oct
Appearance
- An abbreviation of October, the tenth month of the year in the Gregorian calendar
- Optical coherence tomography an imaging technology using light
- Optical Current Transformer an sensor which use optics technology to measure the current
- OCT, the professional designation granted to certified teachers in Ontario
- OCT the Microsoft Office Customisation Tool, available in some version distributions of the Microsoft Office 2007 product. Refer to http://technet.microsoft.com/en-us/library/cc179097.aspx for details.
- Odd Cycle Transversal, a graph theoretic and algorithmic problem in mathematics
- Octal, the numeral system
- Octans, a constellation
- On chip termination, for terminating communication lines in integrated electronics.
- Optical coherence tomography, an interferometric three dimensional imaging method used in (e.g.) ophthalmology
- Optimal cutting temperature compound or O.C.T., for embedding tissues to be cryosectioned
- Organic Cation Transporter
- Orion Correlation Theory, a pseudoarchaeological explanation for the groundplan layout of the pyramids at Giza, advanced by writers such as Robert Bauval, Graham Hancock and Adrian Gilbert
- Ornithine Carbamoyltransferase Deficiency
- Overseas Chinese Town, a theme park in Shenzhen, China
- Overseas countries and territories, twenty territories that have a special relationship with one of the member states of the European Union
- Oxford Classical Texts
- Oxytocin challenge test
- Oct, a fictional species from The Culture
- Octahedron
- Oral Contraceptive Therapy
- Office of the Chief Technologist, a position and associated bureau in NASA
- Orangi Charitable Trust, a microfinance organisation in Karachi, Pakistan