17-letter words containing a, d, p, i, s
- paradoxical sleep — REM sleep.
- paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
- partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
- passive obedience — unquestioning obedience to authority
- pate de foie gras — See under foie gras.
- pere david's deer — a medium-sized, reddish-gray deer, Elaphurus davidianus, of which stocks were obtained in Peking in 1865 and brought to parks in Europe before the remaining Chinese deer were killed in 1900: the species is sustained in captivity.
- personal distance — personal space.
- perth and kinross — a council area of N central Scotland, corresponding mainly to the historical counties of Perthshire and Kinross-shire: part of Tayside Region from 1975 until 1996: chiefly mountainous, with agriculture, tourism, and forestry. Administrative centre: Perth. Pop: 135 990 (2003 est). Area: 5321 sq km (2019 sq miles)
- photodissociation — the dissociation or breakdown of a chemical compound by radiant energy.
- physical handicap — loss of or failure to develop a specific bodily function or functions, whether of movement, sensation, coordination, or speech, but excluding mental impairments or disabilities
- physical medicine — the branch of medicine dealing with the diagnosis and treatment of disease and injury by means of physical agents, as manipulation, massage, exercise, heat, or water.
- physical pendulum — any apparatus consisting of a body of possibly irregular shape allowed to rotate freely about a horizontal axis on which it is pivoted (distinguished from simple pendulum).
- piccadilly circus — a traffic circle and open square in W London, England: theater and amusement center.
- pillar-and-breast — room-and-pillar.
- pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
- plastics industry — the industry that makes plastics
- polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- positive feedback — Electronics. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback) or to aid the input (positive feedback) acoustic feedback.
- post-and-rail tea — (in the 19th century) a coarse tea in which floating particles resembled a post-and-rail fence
- post-depositional — removal from an office or position.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
- potassium bromide — a white, crystalline, water-soluble powder, KBr, having a bitter saline taste: used chiefly in the manufacture of photographic papers and plates, in engraving, and in medicine as a sedative.
- potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
- pre-modifications — an act or instance of modifying.
- premiere danseuse — the leading female dancer in a ballet company.
- pressure altitude — the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter.
- pressure gradient — the change of pressure per unit distance
- pressurized cabin — the cabin of an aircraft in which the air has been pressurized
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- prusso-danish war — a war of 1864 between Prussia and Denmark by which Denmark lost Schleswig-Holstein.
- pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
- pseudo-aggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- pseudo-biological — pertaining to biology.
- pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-humanistic — a person having a strong interest in or concern for human welfare, values, and dignity.
- pseudo-moralistic — a person who teaches or inculcates morality.
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- purely and simply — You use purely and simply to emphasize that the thing you are mentioning is the only thing involved.
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quasi-independent — not influenced or controlled by others in matters of opinion, conduct, etc.; thinking or acting for oneself: an independent thinker.
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- reverse apartheid — a perceived bias against White people following the end of Apartheid
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- sable island pony — a variety of wild pony found on Sable Island, Nova Scotia
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- self-depreciating — self-deprecating.