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23-letter words containing n, a, d, c

  • friction reducing agent — A friction reducing agent is an additive used to reduce friction exerted downhole on tools and pipes.
  • friedel-crafts reaction — a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
  • frozen food compartment — a compartment of a refrigerator or fridge-freezer for the storage of frozen food
  • fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
  • gamma-aminobutyric acid — GABA.
  • get down to brass tacks — discuss essentials
  • grand duchess charlotte — Grand Duchess (Charlotte Aldegonde Elise Marie Wilhelmine) 1896–1985, sovereign of Luxembourg 1919–64.
  • grant-maintained school — a school funded directly by central government
  • greatest common divisor — the largest number that is a common divisor of a given set of numbers. Abbreviation: G.C.D.
  • harvard mark ii machine — (computer, history)   A relay-based computer designed and built by Howard Aiken, with support from IBM, for the United States Navy's Naval Proving Ground, between 1942 - 1947. The Harvard Mark II was the second in a series of four electro-mechanical computers that were forerunners of the ENIAC.
  • heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
  • hook-and-ladder company — a company of firefighters equipped with a hook-and-ladder truck.
  • hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
  • hydrochlorofluorocarbon — Any of a class of inert compounds of carbon, hydrogen, hydrocarbons, chlorine, and fluorine, used in place of chlorofluorocarbons as being somewhat less destructive to the ozone layer.
  • icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
  • identification bracelet — a bracelet, usually of metal links, having an identification plate for the name of the wearer.
  • in sack cloth and ashes — sacking.
  • in someone's bad graces — elegance or beauty of form, manner, motion, or action: We watched her skate with effortless grace across the ice. Synonyms: attractiveness, charm, gracefulness, comeliness, ease, lissomeness, fluidity. Antonyms: stiffness, ugliness, awkwardness, clumsiness; klutziness.
  • indeterminacy principle — uncertainty principle.
  • indirect discrimination — discrimination by means of rules, regulations or procedures that may appear to be neutral, but which actually discriminate against certain groups of people.
  • industrial psychologist — a person who studies human behaviour and cognitive processes in relation to the working environment
  • inland marine insurance — insurance chiefly covering risks to goods and means of transportation involved in the transporting of goods overland or by inland waterways.
  • integrated fire control — an electronic system that locates and tracks a target, computes the data, and employs a weapon to destroy it.
  • intermediate technology — technology which combines sophisticated ideas with cheap and readily available materials, esp for use in developing countries
  • islamic fundamentalists — Muslims who believe in, advocate or support a conservative adherence to literal or traditional interpretations of the Qu'ran and the Sunnah
  • juan rodriguez cabrillo — Juan Rodríguez [rod-ree-ges] /rɒdˈri gɛs/ (Show IPA), (Joao Rodrigues Cabrilho) 1499?–1543, Spanish explorer, born in Portugal: discovered California.
  • knock into a cocked hat — a man's hat, worn especially in the 18th century, having a wide, stiff brim turned up on two or three sides toward a peaked crown. Compare bicorne, tricorn (def 2).
  • lackland air force base — U.S. Air Force installation in SW central Texas, SW of San Antonio.
  • lead replacement petrol — a less toxic fuel introduced in 2000 for cars requiring leaded petrol
  • least significant digit — the digit farthest to the right in a number. Abbreviation: LSD.
  • light and shade surface — (in architectural shades and shadows) a surface in a plane tangent to the parallel rays from the theoretical light source, treated as a shade surface.
  • like a headless chicken — disorganized and uncontrolled
  • like anything/crazy/mad — You can use the expressions like anything, like crazy, or like mad to emphasize that someone is doing something or something is happening in a very energetic or noticeable way.
  • locally euclidean space — a topological space in which each point has a neighborhood that is homeomorphic to an open set in a Euclidean space of specified dimension.
  • lock, stock, and barrel — a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
  • lossy audio compression — (audio, compression)   Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.
  • magnetic field strength — that part of the magnetic induction that is determined at any point in space by the current density and displacement current at that point independently of the magnetic or other physical properties of the surrounding medium. Symbol: H.
  • magnetohydrodynamically — In a magnetohydrodynamic way.
  • message digest function — one-way hash function
  • mexican free-tailed bat — any of several small, insect-eating bats of the genus Tadarida, of Mexico and the southwestern U.S., inhabiting limestone caves: residual DDT has reduced most populations.
  • modern sequence dancing — a form of dancing in which ballroom dance steps are used as the basis of a wide variety of different dances typically performed in a sequence
  • moving target indicator — a Doppler-radar presentation that indicates moving targets only, stationary objects reflecting signals that the system rejects. Abbreviation: MTI.
  • multiplicative identity — an identity that when used to multiply a given element in a specified set leaves that element unchanged, as the number 1 for the real-number system.
  • murder in the cathedral — a verse drama (1935) by T. S. Eliot.
  • nondisclosure agreement — a legal contract in which one or more parties agree to keep information, as a trade secret, confidential and protected for a specific amount of time. Abbreviation: NDA.
  • nonessential amino acid — an amino acid that can be synthesized in the body
  • o'reilly and associates — The leading publisher of information on the Internet, Unix, the X Window System and other open systems. They also provide the Global Network Navigator service.
  • object-oriented fortran — (language)   (OOF) An object-oriented extension of Fortran, in which data items can be grouped into objects, which can be instantiated and executed in parallel. It was available for Sun, Iris, iPSC, and nCUBE, but is no longer supported. E-mail: Donna Reese <[email protected]>.
  • on-line data processing — the storing or processing of data on a computer using the internet
  • ordinary life insurance — life insurance with premiums paid throughout the lifetime of the insured.
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