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

  • patched-together — makeshift; roughly made from disparate elements
  • peach tree borer — the larva of any of several clearwing moths, as Sanninoidea exitiosa, that bore into the wood of the peach and other drupaceous trees.
  • peano arithmetic — (mathematics)   Giuseppe Peano's system for representing natural numbers inductively using only two symbols, "0" (zero) and "S" (successor). This system could be expressed as a recursive data type with the following Haskell definition: data Peano = Zero | Succ Peano The number three, usually written "SSS0", would be Succ (Succ (Succ Zero)). Addition of Peano numbers can be expressed as a simple syntactic transformation: plus Zero n = n plus (Succ m) n = Succ (plus m n) (1995-03-28)
  • people's charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
  • perchloromethane — carbon tetrachloride.
  • pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
  • pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
  • pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
  • phase microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
  • pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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
  • radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
  • rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
  • 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.
  • 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.
  • right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
  • rochelle powders — (not in technical use) Seidlitz powders.
  • round lake beach — a town in NE Illinois.
  • round the corner — close at hand
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