15-letter words containing o, s, t, e, a
- phenakistoscope — an early form of a zoetrope in which figures are depicted in different poses around the edge of a disc. When the disc is spun, and the figures observed through the apertures around the edge of the disc, they appear to be moving
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phosphate group — the group or radical obtained by removal of one or more hydrogen atoms from phosphoric acid.
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- phosphorylative — of or relating to phosphorylation
- photodissociate — to split or break up molecules as a result of the absorption of photons
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- physiotherapist — physical therapy.
- pistachio green — a light or medium shade of yellow green.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- 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 scales — a weighing machine which has a platform that you put something on to be weighed
- 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.
- play favourites — to display favouritism
- plethysmography — the tracking of changes measured in bodily volume
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- positive caster — a person or thing that casts.
- posse comitatus — the body of persons that a peace officer of a county is empowered to call upon for assistance in preserving the peace, making arrests, and serving writs.
- post-apoplectic — of or relating to apoplexy or stroke.
- post-collegiate — of or relating to a college: collegiate life.
- post-liberation — the act of liberating or the state of being liberated.
- post-millennial — of or relating to the period following the millennium.
- post-parturient — bearing or about to bear young; travailing.
- postdevaluation — the period following the devaluation of a currency
- posthemorrhagic — occurring after a haemorrhage
- postoperatively — occurring after a surgical operation.
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- pott's fracture — a fracture of the lower fibula and of the malleolus of the tibia, resulting in outward displacement of the foot.
- power breakfast — If business people have a power breakfast, they go to a restaurant early in the morning so that they can have a meeting while they eat breakfast.
- power macintosh — Power Mac
- prairie oysters — a raw egg, or the yolk of a raw egg, often mixed with seasonings, as salt, pepper, Worcestershire sauce, and used as a hangover remedy.
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-romanticism — romantic spirit or tendency.
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- preregistration — early registration, in advance of event or general registration
- presentationism — the doctrine that in perception, or in all forms of knowledge, there is an immediate awareness of the things perceived.
- preservationism — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- preservationist — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- prestidigitator — sleight of hand; legerdemain.
- primary storage — main memory
- prior restraint — a court order banning publication of unpublished material.
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.