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15-letter words containing a, r, n

  • astrodynamicist — a person who studies astrodynamics
  • astronautically — In an astronautic way.
  • astronavigation — celestial navigation
  • at arm's length — If you hold something at arm's length, you hold it away from your body with your arm straight.
  • 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 controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
  • atlantic ridley — ridley (def 1).
  • atlantic-ridley — ridley (def 1).
  • atrabiliousness — The state or quality of being characterized by melancholy or glumness.
  • attorney-at-law — a lawyer qualified to represent in court a party to a legal action
  • 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
  • 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.
  • australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
  • australian mist — a breed of medium-sized cat with a short spotted or marbled coat
  • australian pine — casuarina
  • austria-hungary — the Dual Monarchy established in 1867, consisting of what are now Austria, Hungary, the Czech Republic, Slovakia, Slovenia, Croatia, and Bosnia-Herzegovina, and parts of Poland, Romania, Ukraine, and Italy. The empire was broken up after World War I
  • autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
  • autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
  • autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
  • autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
  • autotransplants — Plural form of autotransplant.
  • avant la lettre — before the (specified) concept, word, person, etc. existed
  • average revenue — the total receipts from sales divided by the number of units sold, frequently employed in price theory in conjunction with marginal revenue.
  • away-going crop — a crop planted by a tenant that matures after the expiration of the tenancy and is rightfully the tenant's to harvest.
  • 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
  • back-scratching — a reciprocal exchange of favors, aid, or compliments
  • backup rotation — (operating system)   Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.
  • baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
  • badminton court — the court on which games of badminton are played
  • baggage handler — a person who moves baggage onto and off planes at an airport
  • baja california — peninsula in Mexico, between the Pacific & the Gulf of California: divided into a northern state (Baja California), 27,071 sq mi (70,114 sq km), pop. 1,661,000, cap. Mexicali; and a southern state (Baja California Sur), 28,447 sq mi (73,677 sq km), pop. 318,000, cap. La Paz
  • balance control — a state of equilibrium or equipoise; equal distribution of weight, amount, etc.
  • balanced rudder — a rudder so designed that the center of water pressure on the forward face, when turned, lies about halfway along the length, minimizing the turning effort required.
  • balloon barrage — a series of moored balloons, usually strung together and hung with cables, for impeding a low-level attack by enemy aircraft.
  • ballpeen hammer — a hammer that has one end of its head shaped in a hemisphere for beating metal, etc
  • ballroom dancer — a person who participates in ballroom dancing
  • banana republic — Small, poor countries that are politically unstable are sometimes referred to as banana republics.
  • banded anteater — an Australian marsupial, Myrmecobius fasciatus, feeding on termites and having the body marked with whitish transverse bars: nearly extinct.
  • bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
  • bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
  • bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
  • banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
  • banner headline — A banner headline is a large headline in a newspaper that stretches across the front page.
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