15-letter words containing o, p, t, i, s, l
- plagiostomatous — plagiostome
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery
- plate tectonics — a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- platitudinously — in a platitudinal manner
- play favourites — to display favouritism
- plunket society — the Royal New Zealand Society for the Health of Women and Children
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- polish notation — a logical notation that dispenses with the need for brackets by writing the logical constants as operators preceding their arguments
- polling station — voting venue
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyisobutylene — a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber.
- pontifical mass — (sometimes lowercase) Roman Catholic Church. a High Mass celebrated by a bishop or other prelate.
- positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
- post-apoplectic — of or relating to apoplexy or stroke.
- post-collegiate — of or relating to a college: collegiate life.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-liberation — the act of liberating or the state of being liberated.
- post-millennial — of or relating to the period following the millennium.
- post-revolution — an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- postapocalyptic — of or like an apocalypse; affording a revelation or prophecy.
- postdevaluation — the period following the devaluation of a currency
- posthole digger — a tool or device for digging a posthole.
- postinoculation — the act or process of inoculating.
- postoperatively — occurring after a surgical operation.
- postpollination — occurring after pollination
- poststimulation — occurring after stimulation
- poststimulatory — following stimulation
- postulationally — in a postulational manner
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- pro-nationalist — a person devoted to nationalism.
- processionalist — a member of a procession
- professionalist — to give a professional character or status to; make into or establish as a profession.
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- propositionally — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- proximity talks — a diplomatic process whereby an impartial representative acts as go-between for two opposing parties who are willing to attend the same conference but unwilling to meet face to face
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudo-national — of, relating to, or maintained by a nation as an organized whole or independent political unit: national affairs.
- pseudo-solution — a colloidal suspension in which the finely divided particles appear to be dissolved because they are so widely dispersed in the surrounding medium.
- pseudomutuality — a relationship between two persons in which conflict of views or opinions is solved by simply ignoring it
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psychobiologist — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- pulchritudinous — physically beautiful; comely.
- punctiliousness — extremely attentive to punctilios; strict or exact in the observance of the formalities or amenities of conduct or actions.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- reception class — A reception class is a class that children go into when they first start school at the age of four or five.