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17-letter words containing y, c, h, r

  • psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
  • psychometric test — a test designed to test a person's mental state, personality and thought processes
  • psychoprophylaxis — Lamaze method.
  • psychotherapeutic — psychotherapy.
  • purple chokeberry — See under chokeberry (def 1).
  • pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
  • quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
  • respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
  • reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
  • rich site summary — (web, standard)   (RSS, blog, feed) A family of standard web document types containing regularly updated, short articles or news items. RSS documents (generally called "RSS feeds", "news feeds" or just "feeds") can be read with an RSS reader like BottomFeeder or Feedly. These are sometimes called "aggregators" because they combine multiple RSS feeds which the user can browse as a single list. The RSS reader tracks which articles the use has read, and is typically set to show only new articles, hence the idea of a "feed" or flow of new items. Most RSS feeds are based on RDF. RDF is a structured document format for describing textual resources such as news articles available on the web. RSS originally stood for "RDF Site Summary" as it was designed to provide short descriptions of (changes to) a website. Because it provides a standard way to deliver, or "syndicate", news or updates from one site to another, RSS is sometimes expanded as "Really Simple Syndication". It is closely associated with blogs, most of which provide an RSS feed of articles.
  • rocket technology — the technology of the design, operation, maintenance, and launching of rockets
  • scheme repository — A collection of free Scheme programs.
  • school playground — school's outdoor recreation area
  • scientific theory — a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: the scientific theory of evolution.
  • shortcrust pastry — a basic type of pastry that is made with half the quantity of fat to flour, and has a crisp but crumbly texture
  • shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
  • sister of charity — a member of one of several congregations of sisters founded in 1634 by St. Vincent de Paul.
  • spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
  • spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
  • spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
  • squaw huckleberry — deerberry.
  • sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
  • sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
  • synchronistically — coincidence in time; contemporaneousness; simultaneousness.
  • synchronous motor — a synchronous machine that acts as a motor.
  • synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
  • synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
  • the barbary coast — a historic name for the Mediterranean coast of North Africa: a centre of piracy against European shipping from the 16th to the 19th centuries
  • the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
  • the factory floor — all the workers in a factory
  • the olympic torch — a torch that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
  • the varsity match — a sporting fixture between Oxford and Cambridge university rugby teams
  • thermoelectricity — electricity generated by heat or temperature difference, as in a thermocouple.
  • thermoperiodicity — the effect on an organism of rhythmic fluctuations in temperature.
  • to push your luck — If you say that someone is pushing their luck, you think they are taking a bigger risk than is sensible, and may get into trouble.
  • to show your face — If you show your face somewhere, you go there and see people, although you are not welcome, are rather unwilling to go, or have not been there for some time.
  • trichloroethylene — a colorless, poisonous liquid, C 2 HCl 3 , used chiefly as a degreasing agent for metals and as a solvent, especially in dry cleaning, for fats, oils, and waxes. Abbreviation: TCE.
  • trick photography — photography that creates an illusion
  • tyrant flycatcher — flycatcher (def 2).
  • uncomprehendingly — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
  • varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
  • voice synthesizer — a computer system that is used to artificially produce the human voice
  • walleye surfperch — a common black and silvery surfperch (Hyperprosopon argenteum) found off the coast of California
  • willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
  • woolly rhinoceros — an extinct rhinoceros; Coelodonta antiquitatis
  • zoogeographically — In a zoogeographical way.
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