Oct
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Oct".

Oct or OCT may refer to:

• October, the tenth month (was the eighth month in pre-Julian calendars)
• A prefix to denote the number 8
• Optical coherence tomography, an interferometric three dimensional imaging method
• Octal, the base-8 number system
• Overseas countries and territories, twenty territories that have a special relationship with one of the member states of the EU
• Official Conspiracy Theory, a phrase used by the 911 Truth Movement
• Octans, a constellation
• Occult Crimes Taskforce (comic book)
• Oxytocin challenge test
• Oxford Classical Texts
• Optimal cutting temperature compound or O.C.T., for embedding tissues to be cryosectioned
• Orion Correlation Theory
• Ornithine Carbamoyltransferase Deficiency

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