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18-letter words containing a, s, p, e, c, t

  • galilean telescope — a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
  • gensym corporation — (company)   A company that supplies software and services for intelligent operations management. Common applications include quality management, process optimisation, dynamic scheduling, network management, energy and environmental management, and process modelling and simulation. Their products include G2.
  • geometrical optics — the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
  • gestalt psychology — (sometimes lowercase) the theory or doctrine that physiological or psychological phenomena do not occur through the summation of individual elements, as reflexes or sensations, but through gestalts functioning separately or interrelatedly.
  • gravity escapement — an escapement, used especially in large outdoor clocks, in which the impulse is given to the pendulum by means of a weight falling through a certain distance.
  • great expectations — a novel (1861) by Charles Dickens.
  • helicopter station — a place where helicopters are kept in readiness for use
  • hippocratic facies — the sallow facial expression, with listless staring eyes, often regarded as denoting approaching death
  • historical present — the present tense used in narrating a past event as if happening at the time of narration.
  • hypercholesteremia — Alternative spelling of hypercholesteraemia.
  • hypernationalistic — a person devoted to nationalism.
  • hypogastric artery — iliac artery (def 3).
  • imploded consonant — a consonant which is pronounced with or by implosion
  • in the first place — firstly
  • independent clause — a clause that can stand alone as a sentence, containing a subject and a predicate with a finite verb, as I was there in the sentence I was there when he arrived.
  • inspector of taxes — an official of HMRC whose work is to assess individuals' income tax liability
  • interstellar space — astronomy: space between the stars
  • investment company — a company that invests its funds in other companies and issues its own securities against these investments.
  • isothermal process — a process that takes place without change in temperature.
  • japanese artichoke — Chinese artichoke.
  • justice department — the United States federal department for enforcing federal laws
  • keep at a distance — to be reserved or cool toward; treat aloofly
  • landscape painting — art: depicting natural scenery
  • lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
  • light displacement — the weight of a ship with all its permanent equipment, excluding the weight of cargo, persons, ballast, dunnage, and fuel, but usually including the weight of permanent ballast and water used to operate steam machinery.
  • linear perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
  • little spotted cat — a small New World tiger cat, Felis tigrinus, ranging from Costa Rica to northern Argentina.
  • maksutov telescope — a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
  • maritime provinces — region in Canada
  • metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
  • microencapsulation — the process of enclosing chemical substances in microcapsules.
  • microwave spectrum — a spectrum of electromagnetic radiations whose wavelengths fall in the microwave range.
  • miniature pinscher — one of a German breed of toy dogs resembling a smaller version of the Doberman pinscher, having a flat skull, a smooth coat, erect ears, and a docked tail, bred originally as a watchdog.
  • mission specialist — the crew member of a space shuttle who is assigned primary responsibility for carrying out operations related to the payload of the shuttle.
  • moccasin telegraph — the transmission of rumour or secret information; the grapevine
  • molecular spectrum — the spectrum of light emitted or absorbed by a species of molecule.
  • netscape navigator — (networking, tool, product)   /Mozilla/ (Often called just "Netscape") A web browser from Netscape Communications Corporation. The first beta-test version was released free to the Internet on 13 October 1994. Netscape evolved from NCSA Mosaic (with which it shares at least one author) and runs on the X Window System under various versions of Unix, on Microsoft Windows and on the Apple Macintosh. It features integrated support for sending electronic mail and reading Usenet news, as well as RSA encryption to allow secure communications for commercial applications such as exchanging credit card numbers with net retailers. It provides multiple simultaneous interruptible text and image loading; native inline JPEG image display; display and interaction with documents as they load; multiple independent windows. Netscape was designed with 14.4 kbps modem links in mind. You can download Netscape Navigator for evaluation, or for unlimited use in academic or not-for-profit environments. You can also pay for it. Version: 1.0N. E-mail: <[email protected]>.
  • nonaggression pact — an agreement between two nations not to attack each other, usually for a specified period of years
  • north truchas peak — a mountain in N New Mexico, near Santa Fe: one of the three Truchas Peaks. 13,110 feet (3999 meters).
  • nurse practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
  • nurse-practitioner — a registered nurse who has received special training for diagnosing and treating routine or minor ailments. Abbreviation: NP.
  • oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
  • optical disc drive — optical disk drive
  • optical disk drive — (hardware)   (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
  • optical microscope — traditional magnifying instrument
  • oriental scops owl — any of a group of small owls having ear tufts and a whistling call, especially Otus scops (Old World scops owl) and O. sunia (Oriental scops owl)
  • overspecialization — excessive specialization, as in a field of study.
  • packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
  • paediatric nursing — the branch of nursing concerned with the care of children
  • pair of spectacles — a score of 0 in each innings of a match
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