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19-letter words containing d, a, c, t

  • pseudo-aristocratic — of or relating to government by an aristocracy.
  • pseudo-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
  • pseudo-intellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
  • radiational cooling — the cooling of the earth's surface and adjacent air, primarily at night, caused by a loss of heat due to surface emission of infrared radiation.
  • radioactive fallout — the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions (radioactive fallout) Compare rainout.
  • radiochromatography — chromatography in which radiolabeled substances on the chromatogram are determined quantitatively or qualitatively by measuring their radioactivity.
  • radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
  • radius of curvature — the absolute value of the reciprocal of the curvature at a point on a curve.
  • reactive depression — depression occurring in response to some situational stress, as loss of one's job.
  • recording secretary — an officer charged with keeping the minutes of meetings and responsible for the records.
  • redress the balance — to make a fair adjustment; see that justice is done
  • reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
  • religious education — religion as school subject
  • removable cartridge — a hard disk enclosed in a case that can be removed from the disk drive, having more storage than floppy disks.
  • reserved occupation — in time of war, an occupation from which one will not be called up for military service
  • resonance radiation — radiation emitted by an atom or molecule, having the same frequency as that of an incident particle, as a photon, and usually involving a transition to the lowest energy level of the atom or molecule.
  • reticulated tracery — tracery consisting in large part of a netlike arrangement of repeated geometrical figures.
  • reticuloendothelial — pertaining to, resembling, or involving cells of the reticuloendothelial system.
  • rickettsial disease — any of several acute infectious diseases caused by ticks, mites, or body lice infected with rickettsiae. The main types include typhus, spotted fever, Q fever, trench fever, and tsutsugamushi disease
  • royal correspondent — a journalist who reports on matters relating to royalty
  • saccharolactic acid — mucic acid.
  • sackcloth and ashes — a public display of extreme grief, remorse, or repentance
  • saint patrick's day — March 17, observed by the Irish in honor of St. Patrick, the patron saint of Ireland.
  • saint vitus's dance — chorea (def 2).
  • san clemente island — an island off the coast of S California, in the Santa Barbara (Channel) Islands. 24 miles (38 km) long.
  • sandwich generation — the generation of people still raising their children while having to care for their aging parents.
  • santa rosa de copan — a town in W Honduras: site of extensive Mayan ruins.
  • school of the squad — an institution where instruction is given, especially to persons under college age: The children are at school.
  • screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
  • secondary dentition — the permanent dentition
  • secondary education — education at high-school level
  • secondary infection — an infection resulting from another infection
  • secondary intention — See under intention (def 5b).
  • secondary picketing — the picketing by strikers of a place of work that supplies goods to or distributes goods from their employer
  • secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • secondary structure — the arrangement of a polypeptide into a regular alpha helix, beta structure, or random coil configuration by the formation of intramolecular hydrogen bonds along the length of the chain.
  • secondary-intention — an act or instance of determining mentally upon some action or result.
  • self identification — identification of oneself with some other person or thing.
  • self-discrimination — an act or instance of discriminating, or of making a distinction.
  • self-identification — identification of oneself with some other person or thing.
  • semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
  • semidetached binary — a pair of stars that are so close together that mass transfer occurs from one to the other
  • senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
  • seventh commandment — “Thou shalt not commit adultery”: seventh of the Ten Commandments.
  • sexual reproduction — reproduction involving the union of gametes.
  • simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
  • single edge contact — (hardware)   (SEC) The type of cartridge in which a Pentium II is packaged.
  • slate-colored junco — the eastern subspecies of the dark-eyed junco, Junco hyemalis, having grayer plumage than the several western subspecies.
  • smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
  • sodium metasilicate — a white, granular sodium silicate, Na 2 SiO 3 , soluble in water: used in detergents and in bleaching and cleaning products.
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