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18-letter words containing r

  • american brooklime — any of various speedwells found along brooks, in marshes, etc., as Veronica americana (American brooklime) a creeping plant having leafy stems and loose clusters of small blue flowers.
  • american chameleon — anole: lizards of this type (family Iguanidae) are incorrectly called “chameleons”
  • american civil war — the war in the U.S. between the North and the South, 1861–65.
  • american cockroach — a large, reddish-brown cockroach, Periplaneta americana, found originally in the southern U.S. but now widely distributed.
  • american cranberry — See under cranberry (def 1).
  • ammonium carbamate — a white soluble crystalline compound produced by reaction between dry ammonia and carbon dioxide and used as a nitrogen fertilizer. Formula: (NH4)CO2NH2
  • ammonium carbonate — an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH4)HCO3.(NH4)CO2NH2
  • ammonium hydroxide — a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH
  • ammonium purpurate — murexide.
  • an overgrown child — an adult whose behaviour is characteristic of a child
  • analogue recording — a sound recording process in which an audio input is converted into an analogous electrical waveform
  • analytical reagent — a chemical compound of a known high standard of purity
  • andorre la vieille — French name for the capital of Andorra, situated in the west of the principality. Pop: 22 035 (2003 est)
  • andrew file system — (operating system, storage)   (AFS) The distributed file system of the Andrew Project, adopted by the OSF as part of their Distributed Computing Environment.
  • angel of the north — a steel sculpture of an angel with outstretched wings, created in 1998 by British sculptor Antony Gormley, which stands on a hilltop outside Gateshead, NE England. It stands 20 m (85 ft) high and has a wingspan of 54 m (175 ft)
  • angiocardiographic — Relating to angiocardiography.
  • angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
  • anniversary dinner — a dinner held to celebrate an event that occurred in some previous year
  • anterior pituitary — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
  • anthropocentricity — the state or quality of being anthropocentric.
  • anthropomorphising — Present participle of anthropomorphise.
  • anthropomorphizing — Present participle of anthropomorphize.
  • anthropomorphously — In an anthropomorphous manner; in a manner resembling that of a human.
  • anti-aircraft fire — the discharging of weapons, artillery, etc aimed at destroying enemy aircraft
  • anti-authoritarian — favoring complete obedience or subjection to authority as opposed to individual freedom: authoritarian principles; authoritarian attitudes.
  • anti-commercialism — the principles, practices, and spirit of commerce.
  • anti-masonic party — a former political party (1826–35) that opposed Freemasonry in civil affairs.
  • anti-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • anticholinesterase — any of a group of substances that inhibit the action of cholinesterase
  • anticipated profit — the profit that one expects to make from a deal, transaction, or project
  • antidiscrimination — (legal) Opposing or disallowing discrimination.
  • antiferromagnetism — the phenomenon exhibited by substances that resemble paramagnetic substances in the value of their relative permeability but that behave like ferromagnetic substances when their temperature is varied
  • antifriction alloy — a metallic alloy, as Babbitt metal or bearing bronze, having antifriction qualities.
  • antiprostaglandins — Plural form of antiprostaglandin.
  • antiscorbutic acid — vitamin C
  • antisegregationist — opposed to the segregation of different races in any human activity
  • antivirus software — (tool)   Programs to detect and remove computer viruses. The simplest kind scans executable files and boot blocks for a list of known viruses. Others are constantly active, attempting to detect the actions of general classes of viruses. antivirus software should always include a regular update service allowing it to keep up with the latest viruses as they are released.
  • aorangi-mount cook — the official name for Mount Cook
  • apartment building — An apartment building or apartment house is a tall building which contains different apartments on different floors.
  • aperture synthesis — an array of radio telescopes used in radio astronomy to simulate a single large-aperture telescope. Some such instruments use movable dishes while others use fixed dishes
  • aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
  • apocryphal gospels — accounts of Christ's life that are not recognized as part of the New Testament
  • appalachian spring — a dance (1944) choreographed by Martha Graham, with musical score by Aaron Copland.
  • apparatus criticus — textual notes, list of variant readings, etc, relating to a document, esp in a scholarly edition of a text
  • apparent magnitude — magnitude (sense 3)
  • apparent solar day — the period of time between two successive passages of the sun's center across the same meridian.
  • application server — 1. A designer's or developer's suite of software that helps programmers isolate the business logic in their programs from the platform-related code. Application servers can handle all of the application logic and connectivity found in client-server applications. Many application servers also offer features such as transaction management, clustering and failover, and load balancing; nearly all offer ODBC support. 2. Production programs run on a mid-sized computer that handle all application operations between browser-based computers and an organisation's back-end business applications or databases. The application server works as a translator, allowing, for example, a customer with a browser to search an online retailer's database for pricing information. 3. The device on which application server software runs. Application Service Providers offer commercial access to such devices.
  • appraisal drilling — (in the oil industry) drilling carried out once oil or gas has been discovered in order to assess the extent of the field, the reserves, the possible rate of production, and the properties of the oil or gas
  • apprentice plumber — a trainee plumber
  • appropriation bill — a bill to set apart money for a specific purpose
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