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15-letter words containing c, h, a, i, r

  • pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
  • pleochroic halo — a dark-colored, microscopic ring around a minute radioactive particle in certain mineral crystals, used in estimating the age of the rocks containing these crystals
  • polychlorinated — having multiple chlorine atoms
  • polymorphically — in a polymorphic manner
  • posthemorrhagic — occurring after a haemorrhage
  • power macintosh — Power Mac
  • prairie chicken — either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage.
  • primary teacher — a teacher in a primary school
  • prince charming — (sometimes lowercase) a man who embodies a woman's romantic ideal.
  • process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
  • proscenium arch — the arch separating the stage from the auditorium
  • psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
  • psychiatrically — the practice or science of diagnosing and treating mental disorders.
  • psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
  • psychogeriatric — the psychology of old age.
  • psychographical — relating to psychographics
  • psychohistorian — a person who writes psychohistory
  • psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
  • pulmobranchiate — possessing a pulmobranch
  • pyrotechnically — in a pyrotechnical manner
  • quasi-spherical — having the form of a sphere; globular.
  • quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • quiche lorraine — a quiche containing bits of bacon or ham and often cheese.
  • radiochemically — by radiochemical means or methods; from a radiochemical perspective
  • radiotechnology — the technical application of any form of radiation to industry.
  • raster graphics — (graphics)   Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
  • raw milk cheese — cheese or a cheese made with unpasteurized milk
  • reaping machine — any of various machines for reaping grain, often fitted with a device for automatically throwing out bundles of the cut grain.
  • rechargeability — (of a storage battery) capable of being charged repeatedly. Compare cordless (def 2).
  • reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
  • reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
  • reuben sandwich — a grilled sandwich of corned beef, Swiss cheese, and sauerkraut on rye bread.
  • rheumatic fever — a serious disease, associated with streptococcal infections, usually affecting children, characterized by fever, swelling and pain in the joints, sore throat, and cardiac involvement.
  • richard gabriel — (person)   (Dick, RPG) Dr. Richard P. Gabriel. A noted SAIL LISP hacker and volleyball fanatic. Consulting Professor of Computer Science at Stanford University. Richard Gabriel is a leader in the Lisp and OOP community, with years of contributions to standardisation. He founded the successful company, Lucid Technologies, Inc.. In 1996 he was Distinguished Computer Scientist at ParcPlace-Digitalk, Inc. (later renamed ObjectShare, Inc.). See also gabriel, Qlambda, QLISP, saga.
  • richard hamming — (person)   Professor Richard Wesley Hamming (1915-02-11 - 1998-01-07). An American mathematician known for his work in information theory (notably error detection and correction), having invented the concepts of Hamming code, Hamming distance, and Hamming window. Richard Hamming received his B.S. from the University of Chicago in 1937, his M.A. from the University of Nebraska in 1939, and his Ph.D. in mathematics from the University of Illinois at Urbana-Champaign in 1942. In 1945 Hamming joined the Manhattan Project at Los Alamos. In 1946, after World War II, Hamming joined the Bell Telephone Laboratories where he worked with both Shannon and John Tukey. He worked there until 1976 when he accepted a chair of computer science at the Naval Postgraduate School at Monterey, California. Hamming's fundamental paper on error-detecting and error-correcting codes ("Hamming codes") appeared in 1950. His work on the IBM 650 leading to the development in 1956 of the L2 programming language. This never displaced the workhorse language L1 devised by Michael V Wolontis. By 1958 the 650 had been elbowed aside by the 704. Although best known for error-correcting codes, Hamming was primarily a numerical analyst, working on integrating differential equations and the Hamming spectral window used for smoothing data before Fourier analysis. He wrote textbooks, propounded aphorisms ("the purpose of computing is insight, not numbers"), and was a founder of the ACM and a proponent of open-shop computing ("better to solve the right problem the wrong way than the wrong problem the right way."). In 1968 he was made a fellow of the Institute of Electrical and Electronics Engineers and awarded the Turing Prize from the Association for Computing Machinery. The Institute of Electrical and Electronics Engineers awarded Hamming the Emanuel R Piore Award in 1979 and a medal in 1988.
  • richard neville — Earl of (Richard Neville, Earl of Salisbury"the Kingmaker") 1428–71, English military leader and statesman.
  • right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
  • right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.
  • right-branching — (of a grammatical construction) characterized by greater structural complexity in the position following the head, as the phrase the house of the friend of my brother; having most of the constituents on the right in a tree diagram (opposed to left-branching).
  • rightabout-face — a turning directly about so as to face in the opposite direction
  • rubbing alcohol — a poisonous solution of about 70 percent isopropyl or denatured ethyl alcohol, usually containing a perfume oil, used chiefly in massaging.
  • sailor's choice — any of various small percoid fishes of American coastal regions of the Atlantic, esp the grunt Haemulon parra and the pinfish
  • sailor's-choice — any of several fishes living in waters along the Atlantic coast of the U.S., especially a pinfish, Lagodon rhomboides, ranging from Massachusetts to Texas, and a grunt, Haemulon parrai, ranging from Florida to Brazil.
  • sandwich course — A sandwich course is an educational course in which you have periods of study between periods of being at work.
  • saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
  • scared shitless — terrified
  • 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.
  • scatter cushion — Scatter cushions are small cushions for use on sofas and chairs.
  • schiffs-reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
  • schillerization — the process of altering crystals to produce schiller
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