17-letter words containing a, d, n
- at one's disposal — If you have something at your disposal, you are able to use it whenever you want, and for whatever purpose you want. If you say that you are at someone's disposal, you mean that you are willing to help them in any way you can.
- at someone's hand — from
- at swords' points — ready to quarrel or fight
- attendance centre — (in Britain) a place at which young offenders are required to attend regularly instead of going to prison
- attendance record — the record of how often a person has attended an institution such as a school
- audience research — research into the make-up and habits of the audience of a particular television or radio programme or network
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- audubon's warbler — a common North American wood warbler, Dendroica coronata, having yellow spots on the rump, crown, and sides, including a white-throated eastern subspecies (myrtle warbler) and a yellow-throated western subspecies (Audubon's warbler)
- augmented reality — an artificial environment created through the combination of real-world and computer-generated data
- automated testing — (testing) Software testing assisted with software tools that require no operator input, analysis, or evaluation.
- automatic vending — selling goods by vending machines
- average deviation — a measure of dispersion, computed by taking the arithmetic mean of the absolute values of the deviations of the functional values from some central value, usually the mean or median.
- aviation industry — a collective term for the companies involved in air transport
- aviation medicine — the branch of medicine concerned with the effects on man of flight in the earth's atmosphere
- avogadro constant — the number of atoms or molecules in a mole of a substance
- avogadro's number — the constant, 6.022 × 10 23 , representing the number of atoms, molecules, or ions in one mole of a substance. Symbol: N. Compare gram-atom, gram molecule.
- avoirdupois pound — a pound weighing 16 ounces
- axis of ordinates — y-axis (def 1).
- axis-of-ordinates — y-axis (def 1).
- babe in the woods — a baby or child.
- baby doll nightie — a short, frilly nightdress
- background report — a report on someone or something that sheds light on their background, esp a report on the background of a person convicted of a crime before they are sentenced by a judge
- backward analysis — (theory) An analysis to determine properties of the inputs of a program from properties or context of the outputs. E.g. if the output of this function is needed then this argument is needed. Compare forward analysis.
- backward chaining — (algorithm) An algorithm for proving a goal by recursively breaking it down into sub-goals and trying to prove these until facts are reached. Facts are goals with no sub-goals which are therefore always true. Backward training is the program execution mechanism used by most logic programming language like Prolog. Opposite: forward chaining.
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- baden-wurttemberg — a state of SW Germany. Capital: Stuttgart. Pop: 53 938 (2003 est). Area: 35 742 sq km (13 800 sq miles)
- bahia de cochinos — Spanish name of Bay of Pigs.
- balanced literacy — a method of teaching reading in which phonics and whole language approaches are both used to maximize student learning.
- balanced sentence — a sentence consisting of two or more clauses that are parallel in structure.
- bald-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
- bangalore torpedo — an explosive device in a long metal tube, used to blow gaps in barbed-wire barriers
- barbed wire fence — a fence constructed from strong wire that has sharply pointed barbs at close intervals along its length
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
- bartholin's gland — either of two small glands near the vaginal opening: during sexual excitement they secrete a mucous lubricating substance
- base lending rate — a minimum interest rate on which financial institutions base the rates they use for lending
- baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
- be black and blue — If you say that someone is black and blue, you mean that they are badly bruised.
- be off one's head — If you say that someone is off their head, you mean that they have taken so many drugs that they do not know what they are doing.
- be running scared — If you say that a person or group is running scared, you mean that they are frightened of what someone might do to them or what might happen.
- bed and breakfast — Bed and breakfast is a system of accommodation in a hotel or guest house, in which you pay for a room for the night and for breakfast the following morning. The abbreviation B&B is also used.
- bed-and-breakfast — an accommodation offered by an inn, hotel, or especially a private home, consisting of a room for the night and breakfast the next morning for one inclusive price.
- beer and skittles — enjoyment or pleasure
- behind one's back — without one's knowledge; secretly or deceitfully
- benoit mandelbrot — (person) /ben'wa man'dl-bro/ Benoit B. Mandelbrot. The IBM scientist who wrote several original books on fractals and gave his name to the set he was discovered, the Mandelbrot set and coined the term "fractal" in 1975 from the Latin fractus or "to break".
- beyond comparison — outstanding, without equal
- bill of adventure — a certificate made out by a merchant to show that goods handled by him and his agents are the property of another party at whose risk the dealing is done
- bill of attainder — (formerly) a legislative act finding a person guilty without trial of treason or felony and declaring him attainted
- bitter almond oil — almond oil (def 2).
- bitter-almond-oil — Also called sweet almond oil, expressed almond oil. a colorless to pale yellow fatty oil expressed from the seeds of the sweet almond, used in preparing perfumes and confections.
- blackboard jungle — a school or school system characterized by lack of discipline and by juvenile delinquency.