Oct

Octans, a constellation
Optical coherence tomography, an interferometric three dimensional imaging method
Optimal cutting temperature compound or O.C.T., for embedding tissues to be cryosectioned
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 EU
Oxford Classical Texts
Oxytocin challenge test
Oct, a fictional species from the the Culture series.

Translation

The word "Oct" occurs as such in the following languages: English, Polish.

Translation(s) in other languages: German: OCT, Esperanto: OCT, Croatian: OCT, Italian: OCT, Japanese: OCT, Portuguese: OCT.