17-letter words containing d, s, p

permanent address — a fixed address
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.
pink-footed goose — a Eurasian goose, Anser brachyrhynchus, having a reddish-brown head, pink legs, and a pink band on its black beak
pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
plastics industry — the industry that makes plastics
plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
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 definite — (of a quadratic form) positive for all real values of the variables, where the values are not all zero.
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.
post-independence — Also, independency. the state or quality of being independent.
postage due stamp — a stamp that is affixed to mail at a post office when prepayment of postage is insufficient, to indicate the amount that must be collected from the addressee.
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.
prescription drug — medication available only on doctor's instruction
presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
pressure altitude — the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter.
pressure drawdown — Pressure drawdown is the difference between the reservoir pressure and the flowing wellbore pressure, which drives fluids from the reservoir into the wellbore.
pressure gradient — the change of pressure per unit distance
pressurized cabin — the cabin of an aircraft in which the air has been pressurized
printing industry — the industry engaged in the business of producing printed matter
production string — A production string is the series of pipes through which the oil or gas is brought up from the reservoir.
production system — (programming) A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
prolonged-release — A prolonged-release drug delivers a dose of a medication over an extended period of time.
protected species — a species of animal or plant which it is forbidden by law to harm or destroy
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.
pseudo-scientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
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
pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
purdue university — http://purdue.edu/.

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