19-letter words containing d, e, u, c, r
- 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.
- 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.
- recording equipment — devices used for sound reproduction
- redbrick university — any new or little-known university, especially one built since World War II to educate students in industrial regions, emphasizing technical subjects rather than the classics, and often partially supported by government funds.
- reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
- regular icosahedron — an icosahedron in which each of the faces is an equilateral triangle
- religious education — religion as school subject
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- reserved occupation — in time of war, an occupation from which one will not be called up for military service
- residence insurance — Residence insurance is insurance coverage against damage to a building in which you live.
- restricted currency — a non-convertible currency
- 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.
- run-length encoding — A kind of compression algorithm which replaces sequences ("runs") of consecutive repeated characters (or other units of data) with a single character and the length of the run. This can either be applied to all input characters, including runs of length one, or a special character can be used to introduce a run-length encoded group. The longer and more frequent the runs are, the greater the compression that will be achieved. This technique is particularly useful for encoding black and white images where the data units would be single bit pixels.
- san juan de la cruz — San Juan de la [sahn hwahn de lah] /sɑn ʰwɑn dɛ lɑ/ (Show IPA), John of the Cross, Saint.
- scale down (or up) — to reduce (or increase), often according to a fixed ratio or proportion
- screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
- secondary education — education at high-school level
- 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.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- sexual reproduction — reproduction involving the union of gametes.
- simple closed curve — a curve that is closed and that has no loops or points missing; a curve for which there exists a homeomorphism mapping it to a circle.
- 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 hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- theatrical producer — a person who is responsible for all aspects of a theatrical production
- to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
- to suck someone dry — If you say that someone is sucking something dry or milking it dry, you are criticizing them for taking all the good things from it until there is nothing left.
- to the prejudice of — to the detriment of
- ultracrepidarianism — noting or pertaining to a person who criticizes, judges, or gives advice outside the area of his or her expertise: The play provides a classic, simplistic portrayal of an ultracrepidarian mother-in-law.
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- under consideration — being deliberated
- under one's control — If something is under your control, you have the power to make all the important decisions about the way that it is run.
- under police escort — If you go somewhere or are taken somewhere under police escort, you go there accompanied by a police escort.
- under the influence — the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.