21-letter words containing a, p, r
- a finger in every pie — If you say that someone has a finger in every pie, you mean they are involved in a lot of things.
- a lump in your throat — If you say that you have a lump in your throat, you mean that you have a tight feeling in your throat because of a strong emotion such as sorrow or gratitude.
- a nasty piece of work — If you say that someone is a nasty piece of work, you mean that they are very unkind or unpleasant.
- a rap on the knuckles — If someone in authority gives you a rap on the knuckles, they criticize you or blame you for doing something they think is wrong.
- a recipe for disaster — If you say that something is a recipe for disaster, you mean that it is very likely to have unpleasant consequences.
- absorption hygrometer — a hygrometer that uses a hygroscopic chemical to absorb atmospheric moisture.
- accounting procedures — an established way of keeping company accounts
- active matrix display — (hardware) A type of liquid crystal display where each display element (each pixel) includes an active component such as a transistor to maintain its state between scans. Contrast passive matrix display.
- active record pattern — (programming) Martin Fowler's name for object relational mapping viewed as a software architecture pattern.
- aerospace engineering — the branch of engineering that deals with the design, development, testing, and production of aircraft and related systems (aeronautical engineering) and of spacecraft, missiles, rocket-propulsion systems, and other equipment operating beyond the earth's atmosphere (astronautical engineering)
- afternoon performance — a performance during the afternoon, rather than the evening
- airborne command post — any of several converted commercial aircraft equipped with special communications and code gear, intended as flying bunkers for the president, secretary of defense, military commanders, or their designated replacements.
- alexander archipelago — a group of over 1000 islands along the coast of SE Alaska
- algorithm description — (language) (ALDES) ["The Algorithm Description Language ALDES", R.G.K. Loos, SIGSAM Bull 14(1):15-39 (Jan 1976)].
- alliance for progress — a program of foreign aid presented by President Kennedy to help solve the economic and social problems of Latin America.
- alpha centauri system — a star system comprising the binary star Alpha Centauri A and B and Proxima Centauri (also called Alpha Centauri C), which is 0.1 light years closer to the sun. Visual magnitude: 0.01 (A), 1.33 (B); spectral type: G2V (A); distance from earth: 4.3 light years
- alpha piscis austrini — Fomalhaut
- angle of polarization — the law that light will receive maximum polarization from a reflecting surface when it is incident to the surface at an angle (angle of polarization or polarizing angle) having a tangent equal to the index of refraction of the surface.
- antarctic archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- antenuptial agreement — Law. a contract between two people who are about to marry regarding their respective property and support rights upon termination of the marriage by divorce or death, and sometimes regarding property rights during the marriage.
- antihemophilic factor — a protein that is essential to normal blood clotting and is lacking or deficient in persons having hemophilia A. Abbreviation: AHF.
- apologia pro vita sua — a religious autobiography (1864) of Cardinal John Henry Newman.
- apothecaries' measure — a system of liquid volume measure used in pharmacy in which 60 minims equal 1 fluid drachm, 8 fluid drachms equal 1 fluid ounce, and 20 fluid ounces equal 1 pint
- appellation controlee — a designation on the label of certain French wines, brandies, etc. guaranteeing that the contents meet established standards, as type of grape and location of vineyard
- appendicular skeleton — the girdles and skeleton of the limbs
- application developer — (job) Someone who does application development.
- applications software — application program
- appropriation account — an account showing how funds have been used
- apres-midi d'un faune — L'Après-midi d'un Faune.
- archimedes' principle — a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid
- architecture parlante — the architecture of buildings that, in their plans or elevations, create an image that suggests their functions.
- area drainage pattern — The area drainage pattern is the way in which streams and rivers allow water to flow from an area.
- assisted reproduction — the use of medical techniques to bring about the conception and birth of a child, including artificial insemination, in vitro fertilization, egg and embryo donation, and drug therapy.
- atmospheric inversion — inversion (def 12).
- atmospheric-inversion — an act or instance of inverting.
- axial-flow compressor — a device for compressing a gas by accelerating it tangentially by means of bladed rotors, to increase its kinetic energy, and then diffusing it through static vanes (stators), to increase its pressure
- background processing — the ability of a system to perform a low-priority task while, at the same time, dealing with a main application
- background projection — the projection from the rear of previously photographed material on a translucent screen, used as background for a television or motion-picture shot.
- banach-tarski paradox — (mathematics) It is possible to cut a solid ball into finitely many pieces (actually about half a dozen), and then put the pieces together again to get two solid balls, each the same size as the original. This paradox is a consequence of the Axiom of Choice.
- barbiturate poisoning — poisoning caused by overdose of a barbiturate
- barrier contraceptive — any form of contraceptive that prevents impregnation by physically preventing the sperm from reaching the egg
- be in apple-pie order — If a room or a desk is in apple pie order, it is neat and tidy, and everything is where it should be.
- beta-naphthyl radical — Also called alpha-naphthyl group, alpha-naphthyl radical. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the first, or alpha, position; 1-naphthyl group.
- bibliographic control — the identification, description, analysis, and classification of books and other materials of communication so that they may be effectively organized, stored, retrieved, and used when needed.
- bibliographic utility — an organization that maintains computerized bibliographic records and offers to its members or customers various products and services related to these records.
- biological psychiatry — a school of psychiatric thought concerned with the medical treatment of mental disorders, especially through medication, and emphasizing the relationship between behavior and brain function and the search for physical causes of mental illness.
- bluethroat pikeblenny — See under pikeblenny.
- bonnie prince charlie — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.
- book of common prayer — the official book of church services of the Church of England, until 1980, when the Alternative Service Book was sanctioned
- bottom-up programming — a programming technique in which lower-level modules are developed before higher-level modules.
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