14-letter words containing p, l, o, 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
- 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.
- open-reel tape — audiotape, usually 1/4 inch (64 mm) wide, wound on a single reel and requiring a separate take-up reel for playing or recording.
- 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
- operationalize — Put into operation or use.
- ophthalmologic — the branch of medical science dealing with the anatomy, functions, and diseases of the eye.
- ophthalmometer — an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.
- ophthalmometry — the measurement and determination of the eye's defects and powers of refraction
- ophthalmoscope — an instrument for viewing the interior of the eye or examining the retina.
- ophthalmoscopy — the use of or technique of using an ophthalmoscope.
- opisthoglossal — (of the tongues of amphibians) attached at the front as opposed to the rear
- 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.
- oriental poppy — a poppy, Papaver orientale, of Asia, having bristly stems and leaves and showy scarlet, pink, or white flowers, cultivated as an ornamental.
- oriental topaz — a variety of corundum resembling topaz in colour and used as a gemstone
- orthographical — Of, or relating to orthography; spelled correctly.
- oscillographic — Of or pertaining to an oscillograph.
- otaheite apple — a Society Islands tree, Spondias cytherea, of the cashew family, having whitish flowers and yellow, edible, plumlike fruit.
- overcapitalize — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- overcompliance — excessive compliance
- overcomplicate — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- overparticular — precise beyond necessity
- overpopulation — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- overspecialize — to specialize to an excessive degree
- ownership flat — a flat owned by the occupier
- pacific salmon — any salmon of the genus Oncorhynchus, especially the chinook salmon, O. tshawytscha.
- package policy — an insurance policy which incorporates cover for different types of risk, such as liability and property
- palacio valdes — Armando [ahr-mahn-daw] /ɑrˈmɑn dɔ/ (Show IPA), 1853–1938, Spanish novelist and critic.
- palaeanthropic — relating to or denoting the earliest variety of man
- palaebiologist — a person who studies or is an expert in palaebiology
- palaeethnology — the study of prehistoric man
- palaeoclimatic — relating to the climate of a prehistoric age
- palaeoecologic — relating to palaeoecology
- palaeopedology — the study of ancient soils
- palatalization — to articulate (a consonant other than a normal palatal) as a palatal or with relatively more contact between the blade of the tongue and the hard palate, as in certain pronunciations of the l- sound in million.
- paleencephalon — (no longer in technical use) the more primitive part of the brain in the evolutionary development of animals, including all parts except the cerebral cortex and its related structures.
- paleoanthropic — pertaining to prehistoric humans.
- 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.
- paleogeography — the science of representing the earth's geographic features belonging to any part of the geologic past.
- paleolimnology — the study of ancient lakes from their sediments and fossils.
- paleomagnetism — Geology. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified.
- paleontography — the formal description of fossils
- paleontologist — the science of the forms of life existing in former geologic periods, as represented by their fossils.