occupationAn activity or task with which one occupies oneself; usually specifically the productive activity, service, trade, or craft for which one is regularly paid; a job.
occupationaireA member of the Allied military forces that occupied Japan at the end of World War II.
occupationalOf, belonging, or relating to an occupation (in any sense).
occupationalistOne of four categories of sociologist propounded by Horowitz: a sociologist who is primarily committed to some sociological questions or issues.
OceaniaA continental region composed of the islands of the central and southern Pacific Ocean, principally divided into Melanesia, Micronesia, and Polynesia.
OceanianFrom or relating to Oceania (geographical region or continent).
OceanianismA characteristically Oceanian cultural feature, such as a belief, custom or linguistic feature.
oceaniumA supposed chemical element, thought to be the one with atomic number 72 (now known as hafnium), but later identified as a mixture of aluminium, iron, and titanium.
oceanizationThe process of formation of an ocean after continental rifting.
OceanusPersonification of vast waters or the world ocean. He was the first-born of the Titans, son of Uranus and Gaia, the god Ωκεανός Ποταμός (Ōkeanós Potamós, “River Ocean”) that encircled the earth. With his sister-wife, Tethys, he fathered all rivers and the Oceanids.
ocelloida cellular structure found in unicellular microorganisms that is analogous in structure and function to eyes, which focus, process and detect light
ocellorbitalRelating to the ocellus and the orbit of the eye
ocellularioidDescribing the apothecial and thallus morphology characteristic of corticolous thelotremoid lichens
ocellusA simple eye consisting of a single lens and a small number of sensory cells.
ocelotAn American feline carnivore (Leopardus pardalis, syn. Felis pardalis) covered with blackish ocellated spots and blotches which are variously arranged.
OchiltreeA village in East Ayrshire council area, Scotland (OS grid ref NS5021).
ochlagogueA manipulator of a mob who holds sway by use of inflammatory rhetoric, casting opprobrium, and by appeal to the lowest common denominator generally; an extreme and wholly unscrupulous demagogue; one who practises ochlagogy.
ochlagogyManipulation of a mob by use of inflammatory rhetoric, casting opprobrium, and by appeal to the lowest common denominator generally; extreme and wholly unscrupulous demagogy; the practice of an ochlagogue.
ochlophobistA person with a phobia, or fear, of mob-like crowds, as opposed to simply open spaces like agoraphobia or large crowds as with enochlophobia.
ochlospeciesA taxonomic species concept characterized by large amounts of variation that is not correlated with geography or ecology; usually geographically widespread and having variants that may be consistently distinguishable locally but not globally.
ochnaAny of the genus Ochna of evergreen trees, shrubs and shrublets.