14-letter words containing o, p, s, a
- omphaloskeptic — One who contemplates or meditates upon one's navel; one who engages in omphaloscopy.
- on one's plate — waiting to be done or dealt with
- one-upsmanship — the art or practice of achieving, demonstrating, or assuming superiority in one's rivalry with a friend or opponent by obtaining privilege, status, status symbols, etc.: the one-upmanship of getting into the president's car pool.
- open classroom — a spacious instructional area shared by several groups or classes in elementary school, permitting more individualized, less supervised project learning and movement of pupils from one activity to another.
- openhandedness — The characteristic of being openhanded.
- operating cash — the amount of cash or money that a business generates
- operating cost — The operating cost of a business, or a piece of equipment or machinery is the amount of money that it costs to run it.
- operationalise — Alternative spelling of operationalize.
- operationalism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- operationalist — a person who adheres to operationalism
- ophthalmoscope — an instrument for viewing the interior of the eye or examining the retina.
- ophthalmoscopy — the use of or technique of using an ophthalmoscope.
- opisthobranchs — Plural form of opisthobranch.
- opisthoglossal — (of the tongues of amphibians) attached at the front as opposed to the rear
- opisthographic — written on the front and back of a parchment or papyrus
- oppositionally — In terms of, or by means of, opposition.
- opt-out clause — a clause that permits signatories to a contract to opt out of particular provisions, or to terminate the contract early
- opthalmologist — Misspelling of ophthalmologist.
- optical isomer — any of two or more isomers exhibiting optical isomerism.
- optimistically — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- options market — a market in which options are traded
- ordnance corps — a combat support military unit responsible for developing and maintaining weapons and weapon systems
- orphan process — (operating system) A Unix process whose original parent has terminated and which has become a child of "init(1)". Compare zombie.
- orphans' court — a probate court in certain U.S. states.
- orthophosphate — a salt or ester of orthophosphoric acid, or any compound containing the trivalent group −PO 4 .
- oscillographic — Of or pertaining to an oscillograph.
- overcompensate — to compensate or reward excessively; overpay: Some stockholders feel the executives are being overcompensated and that bonuses should be reduced.
- overemphasised — Simple past tense and past participle of overemphasise.
- overemphasized — Simple past tense and past participle of overemphasize.
- overemphasizes — Third-person singular simple present indicative form of overemphasize.
- overpersuasion — the act or instance of overpersuading someone
- overspecialize — to specialize to an excessive degree
- ownership flat — a flat owned by the occupier
- pachydermatous — of, relating to, or characteristic of pachyderms.
- pacific oyster — Japanese oyster.
- pacific salmon — any salmon of the genus Oncorhynchus, especially the chinook salmon, O. tshawytscha.
- paddock-basher — a vehicle suited to driving on rough terrain
- paedomorphosis — the resemblance of adult animals to the young of their ancestors: seen in the evolution of modern man, who shows resemblances to the young stages of australopithecines
- palacio valdes — Armando [ahr-mahn-daw] /ɑrˈmɑn dɔ/ (Show IPA), 1853–1938, Spanish novelist and critic.
- palaebiologist — a person who studies or is an expert in palaebiology
- paleobiologist — the branch of paleontology dealing with fossil life forms, especially with reference to their origin, structure, evolution, etc.
- paleoecologist — the branch of ecology dealing with the relations and interactions between ancient life forms and their environment.
- paleomagnetism — Geology. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified.
- paleontologist — the science of the forms of life existing in former geologic periods, as represented by their fossils.
- palmetto state — South Carolina (used as a nickname).
- panic disorder — a disorder in which inappropriate, intense apprehension and physical symptoms of fear occur so frequently as to produce significant impairment.
- panic stations — a state of alarm; panicky reaction
- papilionaceous — having an irregular corolla shaped somewhat like a butterfly, as the pea and other leguminous plants.
- papillomatosis — a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a wart.
- papillomavirus — any of several viruses of the family Papovaviridae, containing circular DNA, causing papillomas in various animals and responsible for human genital warts.