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15-letter words containing a, o, e

  • augmented roman — a writing system based on an expanded English alphabet, consisting of 43 characters representing different phonemes of spoken English, used for teaching beginners to read. Abbreviation: I.T.A., i.t.a.
  • augusta gregory — Lady Augusta (Isabella Augusta Persse) 1852–1932, Irish dramatist.
  • aurora borealis — the aurora seen around the North Pole
  • authentications — Plural form of authentication.
  • authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
  • autobiographers — Plural form of autobiographer.
  • autobiographies — Plural form of autobiography.
  • 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.
  • automata theory — the formal study of the power of computation of abstract machines
  • 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.
  • autoschediastic — offhand, with little forethought or preparation
  • autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
  • autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
  • autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
  • aviator glasses — sunglasses that look like goggles
  • axiom of choice — the axiom of set theory that given any collection of disjoint sets, a set can be so constructed that it contains one element from each of the given sets.
  • azerty keyboard — a common European version of typewriter keyboard layout with the characters a, z, e, r, t, and y positioned on the top row of alphabetic characters at the left side of the keyboard
  • azobisformamide — (chemistry) azodicarbonamide.
  • 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
  • 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 method — induction (def 4a).
  • 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.
  • bacteriophagous — Pertaining to the predation and consumption of bacterium.
  • bad housekeeper — a person who is not an efficient and thrifty domestic manager
  • bag on the side — An extension to an established hack that is supposed to add some functionality to the original. Usually derogatory, implying that the original was being overextended and should have been thrown away, and the new product is ugly, inelegant, or bloated. Also "to hang a bag on the side [of]". "C++? That's just a bag on the side of C." "They want me to hang a bag on the side of the accounting system."
  • balance control — a state of equilibrium or equipoise; equal distribution of weight, amount, etc.
  • balloon barrage — a series of moored balloons, usually strung together and hung with cables, for impeding a low-level attack by enemy aircraft.
  • balloon payment — a large payment that concludes a series of smaller payments, for example in order to repay a loan
  • ballpoint (pen) — a pen having, instead of a point, a small ball bearing that picks up its ink by rolling against an interior ink reservoir
  • ballroom dancer — a person who participates in ballroom dancing
  • bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
  • bank of england — the central bank of the United Kingdom, which acts as banker to the government and the commercial banks. It is responsible for managing the government's debt and implementing its policy on other monetary matters: established in 1694, nationalized in 1946; in 1997 the government restored the authority to set interest rates to the Bank
  • baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
  • bar examination — a written examination to determine if one is qualified to practice law in a particular jurisdiction.
  • bar-code reader — an electronic machine that scans and reads bar codes
  • barcelona chair — an armless, padded leather chair on a steel frame shaped like a curved X: Barcelona is a trademark for this chair
  • barefoot doctor — (esp in developing countries) a worker trained as a medical auxiliary in a rural area who dispenses medicine, gives first aid, assists at childbirth, etc
  • bargain counter — a store counter on which goods are displayed for sale at reduced prices
  • barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
  • barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
  • barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
  • barn conversion — the adaptation of a farm barn into a building serving a different use, such as a house or commercial premises
  • barn-door skate — an Atlantic skate, Raja laevis, that grows to a length of 4 feet (1.2 meters) or more.
  • barothermograph — an automatic instrument for recording pressure and temperature.
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