11-letter words containing c, r, o, s
- obsecration — to entreat solemnly; beseech; supplicate.
- observances — Plural form of observance.
- obstetrical — of or relating to the care and treatment of women in childbirth and during the period before and after delivery.
- obstriction — the condition of being under an obligation, or a duty or compulsion that causes obligation
- obstructing — Present participle of obstruct.
- obstruction — something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation.
- obstructive — to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
- occurrences — the action, fact, or instance of occurring.
- oceanariums — Plural form of oceanarium.
- oceanfronts — Plural form of oceanfront.
- octahedrons — Plural form of octahedron.
- octandrious — having eight stamens.
- officership — a person who holds a position of rank or authority in the army, navy, air force, or any similar organization, especially one who holds a commission.
- offscouring — Often, offscourings. something scoured off; filth; refuse.
- old scratch — the devil; Satan.
- olfactories — of or relating to the sense of smell: olfactory organs.
- oligarchies — Plural form of oligarchy.
- onagraceous — belonging to the Onagraceae, the evening primrose family of plants.
- oncoviruses — Plural form of oncovirus.
- oneiroscopy — the interpretation or study of dreams
- open secret — something supposedly secret but actually known quite generally.
- open source — Computers. pertaining to or denoting software whose source code is available free of charge to the public to use, copy, modify, sublicense, or distribute.
- open-source — Computers. pertaining to or denoting software whose source code is available free of charge to the public to use, copy, modify, sublicense, or distribute.
- oracle*case — A set of CASE tools from Oracle.
- oraculously — in an oraculous manner
- orbicularis — a muscle surrounding an opening
- orchardists — Plural form of orchardist.
- orchestrate — Arrange or score (music) for orchestral performance.
- orchestrina — (musical instruments) orchestrion.
- orchestrion — a mechanical musical instrument, resembling a barrel organ but more elaborate, for producing the effect of an orchestra.
- orthoclases — Plural form of orthoclase.
- orthogenics — the treatment of mentally and emotionally disturbed children
- orthopedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthoscopic — pertaining to, characterized by, or produced by normal vision.
- orthostatic — relating to or caused by erect posture.
- orthostichy — a vertical rank or row.
- oscillators — Plural form of oscillator.
- oscillatory — characterized by or involving oscillation.
- oscillogram — the record produced by the action of an oscillograph or oscilloscope.
- osteodermic — of or like an osteoderm
- ostracising — Present participle of ostracise.
- ostracizing — Simple past tense and past participle of ostracize.
- ostracoderm — any of several extinct jawless fishes of the Ordovician, Silurian, and Devonian periods, having the body enclosed in an armor of bony plates.
- ostreaceous — oyster-like
- ostrich egg — the large egg produced by a fast-running flightless African bird, Struthio camelus, that is the largest living bird, with stout two-toed feet and dark feathers, except on the naked head, neck, and legs: order Struthioniformes
- ostrichlike — a large, two-toed, swift-footed flightless bird, Struthio camelus, indigenous to Africa and Arabia, domesticated for its plumage: the largest of living birds.
- out-process — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- outcrossing — Present participle of outcross.
- outer space — space beyond the atmosphere of the earth.
- outercourse — sexual activity between two or more people that does not involve penetration.