17-letter words containing d, e, s, m, o, p
- reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
- 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)
- 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.
- semisophisticated — somewhat sophisticated.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- sodium pyroborate — borax1 .
- 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.
- 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.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- 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.
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- thiopental sodium — a barbiturate, C 11 H 18 N 2 NaO 2 S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
- thompson seedless — a yellow, seedless variety of grape used in producing raisins.
- tolpuddle martyrs — six farm workers sentenced to transportation for seven years in 1834 for administering an unlawful oath to form a trade union in the village of Tolpuddle, Dorset
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- well-accomplished — completed; done; effected: an accomplished fact.