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15-letter words containing c, r, e, a, t

  • apprentice work — work done when young and a novice
  • apprenticeships — Plural form of apprenticeship.
  • arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
  • archaeastronomy — (astronomy, archaeology) The historical, especially archeological, study of astronomy; the study of the astronomical systems and methods of ancient cultures often embracing the astrology and cosmology of the past.
  • archaebacterium — Any primitive bacteria-like organism in the kingdom Archaea.
  • archaeobotanist — A person engaged in archaeobotany.
  • archeoastronomy — the branch of archaeology that deals with the apparent use by prehistoric civilizations of astronomical techniques to establish the seasons or the cycle of the year, especially as evidenced in the construction of megaliths and other ritual structures.
  • archiepiscopate — the rank, office, or term of office of an archbishop
  • architectonical — Alternative form of architectonic.
  • architecturally — of or relating to architecture: architectural metals.
  • arithmetic mean — an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number
  • arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
  • 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.
  • ascribed status — the social position assigned to a person on the basis of kinship, ethnic group, sex, etc.
  • asiatic cholera — cholera (def 1).
  • assured tenancy — an agreement between a government-approved body such as a housing association and a tenant for occupation of a newly-built house or flat at an agreed market rent, under which the tenant has security of tenure
  • 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 full stretch — If you are at full stretch, your arm is straight and extended as far as possible, usually because you are trying to reach something that is almost too far away.
  • 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 controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
  • at the mercy of — in the power of
  • 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.
  • 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
  • augustus caesar — Also called Octavian (before 27 b.c.)(Gaius Julius Caesar Octavianus; Augustus Caesar) 63 b.c.–a.d. 14, first Roman emperor 27 b.c.–a.d. 14: reformer, patron of arts and literature; heir and successor to Julius Caesar.
  • autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
  • autocorrelative — Relating to autocorrelation.
  • autodestructive — likely to cause one's own destruction
  • autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
  • automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
  • automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
  • autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
  • back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
  • back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
  • backseat driver — If you refer to a passenger in a car as a backseat driver, they annoy you because they constantly give you advice about how to drive.
  • backup software — (tool, software)   Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
  • baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
  • bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
  • bacteriological — Of or relating to bacteriology or bacteria.
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