17-letter words containing p, e, c, a, d
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- programmed camera — a camera with electronic facilities for setting both aperture and shutter speed automatically on the basis of a through-the-lens light value and a given film speed
- promenade concert — a concert at which some of the audience stand rather than sit
- propanedioic acid — a colourless crystalline compound occurring in sugar beet. Formula: C3H4O4,CH2(COOH)2
- prudence crandall — Prudence, 1803–90, U.S. educator and civil-rights activist.
- pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
- 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.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- 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.
- radiative capture — the capture of a particle, as a neutron, by a nucleus, inducing the emission of electromagnetic radiation, as a gamma ray.
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- repeating decimal — a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- schwedler's maple — a variety of the Norway maple, Acer platanoides schwedleri, producing red leaves that subsequently turn green.
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- secondary product — a product that is not the main product of an industry; a by-product
- self-depreciating — self-deprecating.
- semisophisticated — somewhat sophisticated.
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
- special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- spitting distance — a short space or distance
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- stand-up comedian — performer: tells jokes
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- supreme commander — the military officer commanding all allied forces in a theater of war.
- take second place — If one thing takes second place to another, it is considered to be less important and is given less attention than the other thing.
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- thousandths-place — last in order of a series of a thousand.
- transdermal patch — a small piece of material used to mend a tear or break, to cover a hole, or to strengthen a weak place: patches at the elbows of a sports jacket.
- tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- vice-presidential — relating to a person who ranks immediately below the chief executive or head of state of a republic
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.
- war correspondent — a reporter or commentator assigned to send news or opinions directly from battle areas.
- well-accomplished — completed; done; effected: an accomplished fact.