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16-letter words containing c, h, o, r

  • photochronograph — a device formerly used for taking a series of instantaneous photographs of a rapidly moving object.
  • photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
  • photoelectrotype — an electrotype made by photographic means.
  • photoperiodicity — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
  • photozincography — a type of photoengraving using a sensitized zinc plate.
  • phytosuccivorous — feeding on sap, as certain sucking insects.
  • pinot chardonnay — Chardonnay.
  • pithecanthropine — of, belonging to, or resembling a former genus (Pithecanthropus, now classified as Homo erectus) of extinct early humans, who lived in Java, China, Europe, and Africa
  • pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
  • place of worship — religious house: church, temple
  • pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
  • poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
  • polyphonic prose — prose characterized by the use of poetic devices, as alliteration, assonance, rhyme, etc., and especially by an emphasis on rhythm not strictly metered.
  • pork scratchings — small pieces of crisply cooked pork crackling, eaten cold as an appetizer with drinks
  • pragmatic theory — the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
  • prairie schooner — a type of covered wagon, similar to but smaller than the Conestoga wagon, used by pioneers in crossing the prairies and plains of North America.
  • prison psychosis — a state of mental confusion, transitory or permanent, brought on by incarceration or by the anticipation of imprisonment.
  • process theology — a form of theology that emphasizes the close relation of human beings, nature, and God.
  • processed cheese — a mass-produced product made of one or more types of cheeses that have been heated and mixed with emulsifiers, colorings, flavorings, etc., primarily to retard spoilage and enhance spreadability at reduced cost.
  • prognostic chart — a chart showing the predicted state of the atmosphere for a given time in the future.
  • projection booth — a soundproof compartment in a theater where a motion-picture projector is housed and from which the picture is projected on the screen.
  • prophylactically — defending or protecting from disease or infection, as a drug.
  • propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
  • prospect heights — a town in N Illinois.
  • prosthetic group — the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.
  • protestant ethic — work ethic.
  • pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • pseudoparenchyma — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
  • psychogeriatrics — the psychology of old age.
  • public ownership — ownership by the state; nationalization
  • purchasing power — Also called buying power. the ability to purchase goods and services.
  • put to the torch — to set fire to; burn down
  • pyramidal orchid — a chalk-loving orchid, Anacamptis pyramidalis, bearing a dense cone-shaped spike of purplish-pink flowers with a long curved spur
  • quasi-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
  • radiographically — the production of radiographs.
  • rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
  • rancho cucamonga — a city in SE California.
  • rape of the lock — a mock-epic poem (1712) by Alexander Pope.
  • rate of exchange — exchange rate.
  • re-chromatograph — to separate and analyse (a mixture of liquids or gases) by means of chromatography a second or further time
  • reaction chamber — the chamber in a rocket engine in which the reaction or combustion of fuel occurs
  • recovery vehicle — a truck used to transport motor vehicles which have broken down to another location (generally a repair garage), or to recover vehicles which are no longer on a drivable surface
  • recursion theory — (theory)   The study of problems that, in principle, cannot be solved by either computers or humans.
  • refresher course — a study course serving as a review of previous education.
  • rhabdomyosarcoma — a malignant tumor made up of striated muscle tissue.
  • rhynchocephalian — belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
  • riau archipelago — a group of islands belonging to Indonesia, off the SE coast of the Malay Peninsula, at the entrance to the Strait of Malacca. 36,510 sq. mi. (94,561 sq. km).
  • rich text format — (RTF) An interchange format from Microsoft for exchange of documents between Word and other document preparation systems.
  • richmond heights — a city in E Missouri, near St. Louis.
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