Oct
Appearance
Oct or OCT may refer to:
- A prefix meaning eight
- October, the 10th month of the year in the Julian and Gregorian calendars
- Octal, the numeral system
- Octans, a constellation
- Obsessive Compulsive Tendencies, a criterion involved in the diagnosis of obsessive-compulsive disorder
- Ontario Certified Teacher, a professional designation
- Odd Cycle Transversal in graph theory
- Optical coherence tomography, an imaging method
- Optimal cutting temperature compound, a process in medicine
- Organic Cation Transporter, a protein
- Orion Correlation Theory, a hypothesis in pyramidology
- Overseas Chinese Town, (narrowly) a theme park or (broadly) an area in Shenzhen, Guangdong, China
- Overseas Chinese Town Limited The company that operate Shenzhen Overseas Chinese Town and other theme parks in China
- Overseas countries and territories, countries and territories that have a special relationship with a European Union sovereign state
- Oxford Classical Texts
- Oxytocin challenge test
- Oct, a fictional species from The Culture
- Office of the Chief Technologist, a manager at the NASA Institute for Advanced Concepts
- Orangi Charitable Trust, a microfinance organisation in Karachi, Pakistan
- OCT, the Office Customisation Tool available in some versions of Microsoft Office 2007