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15-letter words containing a, e, r, i

  • archaebacterium — Any primitive bacteria-like organism in the kingdom Archaea.
  • archaeobotanist — A person engaged in archaeobotany.
  • archeologically — In a archeological manner or fashion.
  • archibald prize — an annual prize awarded by the Trustees of the Art Gallery of New South Wales since 1921, for outstanding contributions to art, letters, science, and politics
  • archiepiscopacy — a form of church government in which power is vested in archbishops.
  • archiepiscopate — the rank, office, or term of office of an archbishop
  • architectonical — Alternative form of architectonic.
  • architecturally — of or relating to architecture: architectural metals.
  • argumentatively — fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
  • aristotelianism — a philosophical tradition based on the wide-ranging belief system of Aristotle
  • arithmetic mean — an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number
  • armenian church — the national Church of Armenia, founded in the early fourth century ad, the dogmas and liturgy of which are similar to those of the Orthodox Church
  • armour-piercing — capable of penetrating armour plate
  • arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
  • army air forces — a unit comprising almost all aviation, with its personnel, equipment, etc.: it became part of the Air Force on July 26, 1947.
  • arrivals lounge — a waiting area for people meeting passengers
  • arrondissements — Plural form of arrondissement.
  • arterialization — to convert (venous blood) into arterial blood by the action of oxygen in the lungs.
  • arthur brisbane — Arthur, 1864–1936, U.S. journalist.
  • articles of war — the disciplinary and legal procedures by which the naval and military forces of Great Britain were bound before the 19th century
  • artificial feel — a system, used in aircraft that have fully powered control surfaces, providing the pilot with simulated aerodynamic forces on the controls
  • artificial gene — a duplicate gene synthesized in the laboratory by combining nucleotides in a sequence characteristic of the copied gene.
  • artificial life — (algorithm, application)   (a-life) The study of synthetic systems which behave like natural living systems in some way. Artificial Life complements the traditional biological sciences concerned with the analysis of living organisms by attempting to create lifelike behaviours within computers and other artificial media. Artificial Life can contribute to theoretical biology by modelling forms of life other than those which exist in nature. It has applications in environmental and financial modelling and network communications. There are some interesting implementations of artificial life using strangely shaped blocks. A video, probably by the company Artificial Creatures who build insect-like robots in Cambridge, MA (USA), has several mechanical implementations of artificial life forms. See also evolutionary computing, Life.
  • artificialness' — made by human skill; produced by humans (opposed to natural): artificial flowers.
  • artillery plant — any of various tropical urticaceous plants of the genus Pilea, such as P. microphylla, all having stamens that discharge their pollen explosively
  • ascribed status — the social position assigned to a person on the basis of kinship, ethnic group, sex, etc.
  • asiatic cholera — cholera (def 1).
  • asset-stripping — If a person or company is involved in asset-stripping, they buy companies cheaply, sell off their assets to make a profit, and then close the companies down.
  • asymmetric bars — a pair of wooden or fibreglass bars placed parallel to each other but set at different heights, for various exercises
  • asymmetric time — musical time consisting of an odd number of beats in each bar divided into uneven combinations, such as 3 + 2, 4 + 3, 2 + 3 + 2, etc
  • at first glance — If you say that something is true or seems to be true at first glance, you mean that it seems to be true when you first see it or think about it, but that your first impression may be wrong.
  • at right angles — If two things are at right angles, they are situated so that they form an angle of 90° where they touch each other. You can also say that one thing is at right angles to another.
  • at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
  • at the earliest — At the earliest means not before the date or time mentioned.
  • at your service — You can use 'at your service' after your name as a formal way of introducing yourself to someone and saying that you are willing to help them in any way you can.
  • atherosclerosis — a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis
  • atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
  • athletic sports — sports, esp track and field events, in which athleticism is required
  • atlantic ridley — ridley (def 1).
  • atlantic-ridley — ridley (def 1).
  • atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
  • atrabiliousness — The state or quality of being characterized by melancholy or glumness.
  • attitude survey — a survey of the opinions held by a particular group of people
  • audience rating — a figure based on statistical sampling indicating what proportion of the total listening and viewing audience tune in to a specific programme or network
  • audio frequency — a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear
  • audio recording — an electronic recording of sound
  • auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
  • auf wiedersehen — goodbye, until we see each other again
  • augusta emerita — a market town in W Spain, in Extremadura, on the Guadiana River: founded in 25 bc; became the capital of Lusitania and one of the chief cities of Iberia. Pop: 52 110 (2003 est)
  • aurora borealis — the aurora seen around the North Pole
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