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15-letter words containing r, a, y, c

  • pyramidal tract — any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
  • pyrocrystalline — crystallized from a molten magma or highly heated solution.
  • pyrogallic acid — pyrogallol
  • pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
  • pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
  • pyrotechnically — in a pyrotechnical manner
  • quadruple bucky — Obsolete. 1. On an MIT space-cadet keyboard, use of all four of the shifting keys (control, meta, hyper, and super) while typing a character key. 2. On a Stanford or MIT keyboard in raw mode, use of four shift keys while typing a fifth character, where the four shift keys are the control and meta keys on *both* sides of the keyboard. This was very difficult to do! One accepted technique was to press the left-control and left-meta keys with your left hand, the right-control and right-meta keys with your right hand, and the fifth key with your nose. Quadruple-bucky combinations were very seldom used in practice, because when one invented a new command one usually assigned it to some character that was easier to type. If you want to imply that a program has ridiculously many commands or features, you can say something like: "Oh, the command that makes it spin the tapes while whistling Beethoven's Fifth Symphony is quadruple-bucky-cokebottle." See double bucky, bucky bits, cokebottle.
  • quality control — a system for verifying and maintaining a desired level of quality in an existing product or service by careful planning, use of proper equipment, continued inspection, and corrective action as required.
  • quarter century — a period of twenty five years
  • quatercentenary — a 400th aniversary or its celebration.
  • quick-and-dirty — Informal. slipshod.
  • racial minority — a group of a certain race that are in the minority compared to a larger group, the rest of the population, etc
  • radial velocity — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
  • radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
  • radiochemically — by radiochemical means or methods; from a radiochemical perspective
  • radiometrically — using a radiometric method, in terms of radiometry
  • radiotechnology — the technical application of any form of radiation to industry.
  • reality fiction — a satirical parody of a reality TV show
  • rechargeability — (of a storage battery) capable of being charged repeatedly. Compare cordless (def 2).
  • recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
  • reconcilability — capable of being reconciled.
  • recycling plant — a factory for processing used or abandoned materials
  • redial facility — a means of dialling a number again by pressing a button
  • reduplicatively — in a reduplicative manner
  • refectory table — a long, narrow table having a single stretcher between trestlelike supports at the ends.
  • remembrance day — (in Canada) November 11, observed as a legal holiday in memory of those who died in World Wars I and II, similar to Veterans Day in the U.S.
  • resurrectionary — pertaining to or of the nature of resurrection.
  • ritualistically — adherence to or insistence on ritual.
  • rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
  • rocky mountains — mountain range in USA and Canada
  • romantic comedy — a light and humorous movie, play, etc., whose central plot is a happy love story.
  • royal air force — aerial branch of British military
  • royal enclosure — at the Royal Ascot horse-race meeting, an area of Ascot racecourse which is reserved for the Royal Family, members, and their guests
  • royal poinciana — a tree, Delonix regia, of the legume family, native to Madagascar, having showy clusters of brilliant scarlet flowers and long, flat, woody pods.
  • royal worcester — Worcester china made after 1862
  • rural sociology — the sociological study of life in rural areas and the effects of ruralization.
  • rusty blackbird — a North American blackbird, Euphagus carolinus, the male of which has plumage that is uniformly bluish-black in the spring and rusty-edged in the fall.
  • sabbatical year — Also called sabbatical leave. (in a school, college, university, etc.) a year, usually every seventh, of release from normal teaching duties granted to a professor, as for study or travel.
  • saccharomycetes — a collective name for yeasts
  • salary increase — an increase in the salary or pay given to an employee
  • salem secretary — a tall cabinet having a recessed upper part fitted with drawers and shelves and a lower part with doors and a section falling or pulling out to serve as a writing surface.
  • sanitary cordon — cordon sanitaire.
  • saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
  • sarcenchymatous — relating to the connective tissue of some sponges
  • scarlet lychnis — a plant, Lychnis chalcedonica, of the pink family, having scarlet or sometimes white flowers, the arrangement and shape of the petals resembling a Maltese cross.
  • secondary cause — a cause which is not the primary or ultimate cause
  • secondary color — a color, as orange, green, or violet, produced by mixing two primary colors.
  • secondary group — a group of people with whom one's contacts are detached and impersonal.
  • secondary metal — metal derived wholly or in part from scrap.
  • secondary xylem — xylem derived from the cambium during secondary growth.
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