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17-letter words containing c, r, e, s, y

  • primary processes — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
  • primary structure — Biochemistry. the basic sequence of amino acids in a polypeptide or protein.
  • private secretary — a person who attends to the individual or confidential correspondence, files, etc., of a business executive, official, or the like.
  • production system — (programming)   A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
  • protective system — protectionism (def 1).
  • protocol analyser — (communications, hardware, networking, testing, tool)   Any device that captures and interprets the network traffic between two or more connected computer systems. The traffic can then be decoded so that it is possible to see what processes are occurring. By examining the flow of traffic, protocol analysers can be used to find out where problems (such as bottlenecks or the failure of a network device) are on a LAN. Advanced protocol analysers can also provide statistics on the traffic that can help to identify trends that may in future lead to further problems with the network.
  • psychic energizer — Pharmacology. antidepressant (def 2).
  • psychometric test — a test designed to test a person's mental state, personality and thought processes
  • psychotherapeutic — psychotherapy.
  • pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
  • pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
  • pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
  • quality assurance — a system for ensuring a desired level of quality in the development, production, or delivery of products and services: Quality assurance for nursing homes begins with a set of standards. Abbreviation: QA.
  • quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
  • recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
  • recrystallization — to become crystallized again.
  • recursive acronym — (convention)   A hackish (and especially MIT) tradition is to choose acronyms and abbreviations that refer humorously to themselves or to other acronyms or abbreviations. The classic examples were two MIT editors called EINE ("EINE Is Not Emacs") and ZWEI ("ZWEI Was EINE Initially"). More recently, there is a Scheme compiler called LIAR (Liar Imitates Apply Recursively), and GNU stands for "GNU's Not Unix!" - and a company with the name CYGNUS, which expands to "Cygnus, Your GNU Support". See also mung.
  • reed canary grass — any of various grasses of the genus Phalaris, as P. canariensis, native to the Canary Islands, bearing seed used as food for cage birds, or P. arundinacea (reed canary grass) used throughout the Northern Hemisphere as fodder.
  • repertory society — a group that supports amateur performances of plays by its members
  • resource recovery — Resource recovery is when energy, a material, or a product is taken from waste and used.
  • 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.
  • respiratory tract — the passages through which air enters and leaves the body
  • 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.
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • scheme repository — A collection of free Scheme programs.
  • 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.
  • secondary battery — storage battery.
  • secondary boycott — a boycott by union members against their employer in order to induce the employer to bring pressure on another company involved in a labor dispute with the union.
  • secondary contact — communication or relationship between people characterized by impersonal and detached interest on the part of those involved.
  • secondary glazing — insulation by means of a second pane of glass, or a sheet of plastic: a simple form of double glazing
  • secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
  • secondary product — a product that is not the main product of an industry; a by-product
  • secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • secondary rainbow — a faint rainbow formed by light rays that undergo two internal reflections in drops of rain, appearing above the primary rainbow and having its colors in the opposite order.
  • secondary sealing — Secondary sealing is a system of wiper seals used in floating roof tanks.
  • secondary winding — A secondary winding is the winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
  • secretary-general — the head or chief administrative officer of a secretariat.
  • semimicroanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
  • 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.
  • soft-rock geology — geology dealing with sedimentary rocks.
  • spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
  • spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
  • spectroscopically — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
  • spectrum analyser — an instrument that splits an input waveform into its frequency components, which are then displayed
  • spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
  • 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.
  • stand on ceremony — to insist on or act with excessive formality
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