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26-letter words containing c, o, n, t, r

  • parent-teacher association — an organization of teachers and the parents of their students, as within a public school, to promote mutual understanding and to increase the effectiveness of the educational program. Abbreviation: PTA, P.T.A.
  • pellagra-preventive factor — nicotinic acid or its amide, nicotinamide, being the vitamin-B-complex members that serve to prevent pellagra.
  • philosophical anthropology — anthropology (def 4).
  • philosophical-anthropology — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
  • physical transport network — (communications)   (PTN) The actual hardware through which data transfer devices are connected.
  • post-and-beam construction — wall construction in which beams rather than studs are used to support heavy posts.
  • pour encourager les autres — in order to encourage the others: often used ironically
  • powerpc reference platform — PowerPC Platform
  • prince henry the navigator — Prince, 1394–1460, prince of Portugal.
  • principle of superposition — any of several physical laws that the resultant of similar vector quantities at a point is a function of the sum of the individual quantities, especially the law that the displacement at a point in a medium undergoing simple harmonic motion is equal to the sum of the displacements of each individual wave.
  • privately held corporation — A privately held corporation is a company whose shares cannot be bought by the general public.
  • professional office system — (messaging)   (PROFS) An office messaging system from IBM, used worldwide, mainly on IBM mainframes.
  • provence-alpes-côte d'azur — metropolitan region of SE France: 12,124 sq mi (31,401 sq km); pop. 4,258,000; chief city, Marseille
  • public-service corporation — a private or quasi-private corporation chartered to provide an essential commodity or service to the public.
  • pulse repetition frequency — the number of pulses per second in a system of pulse transmission. Abbreviation: PRF.
  • purely functional language — (language)   A language that supports only functional programming and does not allow functions to have side-effects. Program execution consists of evaluation of an expression and all subexpressions are referentially transparent.
  • recombinant dna technology — any of various techniques for separating and recombining segments of DNA or genes, often employing a restriction enzyme to cut a gene from a donor organism and inserting it into a plasmid or viral DNA for transplantation into a host organism, where the gene causes the production of a desired substance either for harvesting or for the benefit of the host organism itself.
  • record management services — (operating system)   (RMS) Procedures in the VMS operating system that programs call to process files and records within files. RMS allows programs to issue GET and PUT requests at the record level (record I/O) as well as read and write blocks (block I/O). VMS RMS is an integral part of the system software; its procedures run in executive mode.
  • recreation room (or hall) — a room, as in a home (or a public hall), equipped for amusement and relaxation or for social activities
  • refinery’s own consumption — Refinery's own consumption is the gas and fuel which is burnt to operate the units in a refinery and generate electricity and steam.
  • remembrance of things past — a novel (1913–27) by Marcel Proust.
  • replacement cost insurance — Replacement cost insurance is insurance in which the cost of replacing property is calculated without a reduction for depreciation.
  • resistance transfer factor — R factor.
  • retained object complement — an object complement that is kept in its predicative position following the verb when the verb is transformed into the passive voice, as genius in He was considered a genius from (They) considered him a genius.
  • reticuloendothelial system — the aggregate of the phagocytic cells, including certain cells of the bone marrow, lymphatic system, liver, and spleen, that have reticular and endothelial characteristics and function in the immune system's defense against foreign bodies. Abbreviation: RES.
  • richthofen's flying circus — the German 11th Chasing Squadron of World War I, commanded by Baron Richthofen
  • ritz combination principle — the principle that the frequencies of lines in atomic spectra can be represented as differences of a smaller number of terms, all characteristic of the emitting system, interpreted in quantum theory as the emission of exactly one photon in a transition between energy levels.
  • sangre de cristo mountains — a mountain range in S Colorado and N New Mexico: part of the Rocky Mountains. Highest peak: Blanca Peak, 4364 m (14 317 ft)
  • sans peur et sans reproche — without fear and without reproach: said originally of the French knight, the Seigneur de Bayard.
  • santiago de los caballeros — a city in the N central Dominican Republic.
  • schroder-bernstein theorem — the theorem of set theory that if two sets are so related that each can be placed in one-to-one correspondence with a subset of the other, then the sets are equivalent.
  • scintillation spectrometer — a scintillation counter adapted for measuring the energy distribution of particles emitted in radioactive processes.
  • search engine optimization — the process of adjusting the content, structure, etc, of a website so that it will be displayed prominently by a search engine
  • senior chief petty officer — a noncommissioned officer ranking above a chief petty officer and below a master chief petty officer. Abbreviation: SCPO.
  • serotonin receptor agonist — A serotonin receptor agonist is any compound that activates serotonin receptors when serotonin is not present.
  • simple algebraic extension — a simple extension in which the specified element is a root of an algebraic equation in the given field.
  • song of the three children — a book of the Apocrypha, included as part of the third chapter of Daniel in the Douay Bible.
  • ssh file transfer protocol — (networking)   (SFTP) A version of File Transfer Protocol (FTP) using an encrypted network connection provided by Secure Shell (SSH), usually SSH 2. The SFTP protocol allows for a range of operations on remote files, making it more like a remote file system protocol. SFTP clients can resume interrupted transfers, get directory listings and remove remote files. SFTP has largely replaced Secure Copy (SCP).
  • statistical-thermodynamics — the science that deals with average properties of the molecules, atoms, or elementary particles in random motion in a system of many such particles and relates these properties to the thermodynamic and other macroscopic properties of the system.
  • stick to someone's fingers — to be stolen by someone
  • straight-line depreciation — Straight-line depreciation is a method of depreciation in which an equal amount of depreciation is taken each year.
  • string processing language — (language)   (SPRING)
  • strong nuclear interaction — an interaction between elementary particles responsible for the forces between nucleons in the nucleus. It operates at distances less than about 10–15 metres, and is about a hundred times more powerful than the electromagnetic interaction
  • subscriber identity module — (telecommunications, wireless)   (SIM or "SIM card") A component, usually in the form of a miniature smart-card, that is theoretically tamper-proof and is used to associate a mobile subscriber with a mobile network subscription. The SIM holds the subscriber's unique MSISDN along with secret information such as a private encryption key and encryption and digital signature algorithms. Most SIMs also contain non-volatile storage for network and device management, contact lists, text messages sent and received, logos and in some cases even small Java programs.
  • system product interpreter — Restructured EXtended eXecutor
  • take five (or ten, etc. ) — take a break for five (or ten, etc.) minutes, as from working
  • terminal access controller — (hardware, networking)   (TAC) A device which connects terminals to the Internet, usually using dial-up modem connections and the TACACS protocol.
  • the consumers' association — a British organization which assesses and reports on new products and defends consumers' rights
  • the other side of the coin — You use the other side of the coin to mention a different aspect of a situation.
  • the royal and ancient club — a golf club, headquarters of the sport's ruling body, based in St Andrews, Scotland
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