Oc or OC may refer to:
Oceania (UK /ˌoʊʃiˈɑːniə, ˌoʊsi-/ or US /ˌoʊʃiːˈæniə/), also known as Oceanica, is a region centred on the islands of the tropical Pacific Ocean.
Occam's razor (also Ockham's razor; Latin: lex parsimoniae "law of parsimony") is a problem-solving principle attributed to William of Ockham (c.
An ocean (from Ancient Greek Ὠκεανός, transc. Okeanós, the sea of classical antiquity) is a body of saline water that composes much of a planet's hydrosphere.
Occupational safety and health (OSH), also commonly referred to as occupational health and safety (OHS), occupational health, or workplace health and safety (WHS), is a multidisciplinary field concerned with the safety, health, and welfare of people at work.
The octopus (/ˈɒktəpʊs/ or /ˈɒktəpəs/; plural: octopuses, octopodes or octopi; see below) is a cephalopod mollusc of the order Octopoda.
The October Revolution (Russian: Октя́брьская револю́ция, tr. Oktyabr'skaya revolyutsiya; IPA: [ɐkˈtʲabrʲskəjə rʲɪvɐˈlʲutsɨjə]), officially known in the Soviet literature as the Great October Socialist Revolution (Вели́кая Октя́брьская социалисти́ческая револю́ция, Velikaya Oktyabr'skaya sotsialističeskaya revolyutsiya), and commonly referred to as Red October, the October Uprising or the Bolshevik Revolution, was a seizure of state power instrumental in the larger Russian Revolution of 1917. It took place with an armed insurrection in Petrograd on 25 October (7 November, New Style) 1917.
The Allied occupation of Japan at the end of World War II was led by General Douglas MacArthur, the Supreme Commander of the Allied Powers, with support from the British Commonwealth.
The Occupy movement is an international socio-political movement against social inequality and lack of "real democracy" around the world, its primary goal being to advance social and economic justice and new forms of democracy.
An octane rating, or octane number, is a standard measure of the performance of an engine or aviation fuel.