17-letter words containing d, i, s, c, p
- 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
- 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.
- 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
- schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
- self-depreciating — self-deprecating.
- self-reproduction — the act or process of reproducing.
- semisophisticated — somewhat sophisticated.
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
- specific humidity — the ratio of the mass of water vapor in air to the total mass of the mixture of air and water vapor.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- spectrum disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
- speech difficulty — a problem encountered in speaking
- speech impediment — speaking disorder
- speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
- 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.
- st. crispin's day — October 25: anniversary of the Battle of Agincourt (1415).
- stand-up comedian — performer: tells jokes
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- 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
- well-accomplished — completed; done; effected: an accomplished fact.