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18-letter words containing a, c, e, r

  • 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
  • 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
  • anthropocentricity — the state or quality of being anthropocentric.
  • anti-aircraft fire — the discharging of weapons, artillery, etc aimed at destroying enemy aircraft
  • anti-commercialism — the principles, practices, and spirit of commerce.
  • 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
  • apocryphal gospels — accounts of Christ's life that are not recognized as part of the New Testament
  • 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.
  • apprentice plumber — a trainee plumber
  • arbitration clause — a clause in a contract laying down that disputes between the parties should be settled by arbitration
  • arctic archipelago — group of mostly large islands in the Arctic Ocean off the N coast of Canada
  • aristotelian logic — the logical theories of Aristotle as developed in the Middle Ages, concerned mainly with syllogistic reasoning: traditional as opposed to modern or symbolic logic
  • arm's-length price — a price of a transaction agreed in accordance with market values, disregarding any connection such as common ownership of the companies involved
  • arrogance of power — presumption on the part of a nation that its power gives it the right to intervene in the affairs of less powerful nations.
  • arsenic trisulfide — a yellow or red crystalline substance, As 2 S 3 , occurring in nature as the mineral orpiment, and used as a pigment (king's yellow) and in pyrotechnics.
  • artificial reality — virtual reality.
  • as clear as a bell — If something is as clear as a bell, it is very clear indeed.
  • asciibetical order — (jargon, programming)   /as'kee-be'-t*-kl or'dr/ Used to indicate that data is sorted in ASCII collated order rather than alphabetical order. The main difference is that, in ASCII, all the upper case letters come before any of the lower case letters so, e.g., "Z" comes before "a".
  • asiatic black bear — a bear, Selenarctos thibetanus, of central and E Asia, whose coat is black with a pale V-shaped mark on the chest
  • aspherical surface — a lens or mirror surface that does not form part of a sphere and is used to reduce aberrations
  • assessment process — a series of steps that constitute a method of assessing students or workers
  • associate director — a person who is joined with one or more other directors in an enterprise, business, etc, having equal or nearly equal status
  • association cortex — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
  • associative cortex — the part of the cortex that does not have direct connections to the senses or motor system and is thought to be involved in higher mental processes
  • associative memory — content addressable memory
  • ast computers, llc — (company)   The private company formed in January 1999 when Mr. Beny Alagem, the former chairman of Packard Bell NEC, Inc., bought the name and intellectual property of AST Research, Inc.. AST Computers, LLC provide hardware, software, and services for small US businesses. Address: Los Angeles, CA, USA.
  • ast research, inc. — (company)   A company, formed some time before 1980, that was a leading personal computer manufacturer. AST developed desktop computers, mobile computers, and servers that were sold in more than 100 countries worldwide. In January 1999 the name and intellectual property were acquired by a new company named AST Computers, LLC. As of 2000-03-02 it was trading as ARI Service.
  • astrometric binary — a binary star that can be recognized as such because of its undulating proper motion.
  • asymmetric warfare — warfare in which opposing groups or nations have unequal military resources, and the weaker opponent uses unconventional weapons and tactics, as terrorism, to exploit the vulnerabilities of the enemy.
  • asymptotic freedom — a property of the force between quarks, according to quantum chromodynamics, such that they behave almost like free particles when they are close together within a hadron.
  • at/from a distance — If you are at a distance from something, or if you see it or remember it from a distance, you are a long way away from it in space or time.
  • athletic supporter — jockstrap
  • atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
  • atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
  • attendance figures — the number of people present at events such as football matches or concerts
  • attendance officer — someone whose job is to keep records of students' attendance at school and to encourage students to attend
  • audio conferencing — the practice of conducting meetings by the use of audio telecommunications
  • auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
  • australopithecines — Plural form of australopithecine.
  • authorized capital — the total amount of value of the shares that a company is allowed to distribute
  • autogenic training — a technique for reducing stress through mental exercises to produce physical relaxation
  • automatic exposure — the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism
  • aviation insurance — Aviation insurance is insurance cover for aircraft, and for damage, injury, or loss of life or cargo while traveling on aircraft.
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