21-letter words containing a, f, r, c
- garden of remembrance — an area of land containing cultivated plants, trees, etc, to commemorate the dead
- grammatical inference — Deducing a grammar from given examples. Also known as "inductive inference" and recently as "computational learning".
- ground-effect machine — ACV (def 2).
- hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
- highest common factor — greatest common divisor. Abbreviation: H.C.F.
- horns and halo effect — a tendency to allow one's judgement of another person, esp in a job interview, to be unduly influenced by an unfavourable (horns) or favourable (halo) first impression based on appearances
- identification papers — documents that serve to establish someone's identity
- identification parade — a group of persons including one suspected of having committed a crime assembled for the purpose of discovering whether a witness can identify the suspect
- in (or out of) place — in (or out of) the customary, proper, or assigned place
- in the first instance — You say in the first instance to mention something that is the first step in a series of actions.
- infant welfare clinic — a medical facility that specializes in the health and well-being of young babies
- infectious ectromelia — ectromelia (def 2).
- infiltration capacity — the maximum rate at which a soil in a given condition will absorb water.
- information appliance — (hardware) (IA) A consumer device that performs only a few targeted tasks and is controlled by a simple touch-screen interface or push buttons on the device's enclosure.
- information scientist — someone who works in information science
- insurance certificate — a certificate that shows that a person or organization has insurance
- java native interface — (programming) (JNI) A native programming interface for Java that allows Java code running inside a Java Virtual Machine to interoperate with applications and libraries written in other programming languages such as C, C++ and assembly language.
- korsakoff's psychosis — a mental illness involving severe confusion and inability to retain recent memories, usually caused by alcoholism
- lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
- lateral magnification — the ratio of the height of the image to the height of the object in a lens or other optical system.
- law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
- learning difficulties — difficulty experienced in reaching the average standard of people of the same age group as regards intellectual and cognitive skills and performance
- magnetocaloric effect — an increase or decrease of the temperature of a thermally isolated magnetic substance accompanying an increase or decrease in the intensity of a magnetic field.
- magnificent riflebird — a bird of paradise, Craspedophora magnifica
- manufacturing company — a company that manufactures goods
- manufacturing process — chain of production
- mayor of casterbridge — a novel (1886) by Thomas Hardy.
- microsoft corporation — (company) The biggest supplier of operating systems and other software for IBM PC compatibles. Software products include MS-DOS, Microsoft Windows, Windows NT, Microsoft Access, LAN Manager, MS Client, SQL Server, Open Data Base Connectivity (ODBC), MS Mail, and SNA Server for Windows NT. Microsoft was founded as "Micro-soft" in 1975 by Bill Gates (now CEO) and his high school pal Paul Allen. Their first product was a version of BASIC for the new Altair computer [which one?]. In 1980, IBM chose Microsoft to supply the operating system for the IBM PC. On the UK television program "The Net" in May 1994, Bill Gates said he was betting his company on the information highway". Quarterly sales $1293M, profits $362M (Aug 1994).
- mother-of-pearl cloud — nacreous cloud.
- multiplication factor — the ratio of the number of neutrons in a generation to the number of neutrons in the previous generation: when the multiplication factor is equal to or greater than one, a chain reaction is possible
- myocardial infarction — heart attack. Abbreviation: MI.
- necrotising fasciitis — a disease caused by the bacterium streptococcus pyogenes, in which the fasciae of the muscles or other organs become inflamed, resulting in rapid destruction of overlying tissues
- nellis air force base — the largest air base in the U.S. Air Force's Tactical Air Command, located near Las Vegas, Nev., and developed from what began in 1941 as a U.S. Army Air Corps field.
- nitrosylsulfuric acid — a clear, straw-colored, oily, corrosive liquid, HNO 5 S, used chiefly in the manufacture of dyes.
- north pacific current — a warm current flowing eastward across the Pacific Ocean.
- open telecom platform — (communications, library) (OTP) A set of standard, open source libraries and tools for use with Erlang.
- pacific standard time — See under standard time.
- partial reinforcement — the process of randomly rewarding an organism for making a response on only some of the occasions it makes it
- partition coefficient — the ratio of the concentrations of a substance in two heterogenous phases in equilibrium with each other
- pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
- performance appraisal — the assessment, at regular intervals, of an employee's performance at work
- performance indicator — a quantitative or qualitative measurement, or any other criterion, by which the performance, efficiency, achievement, etc of a person or organization can be assessed, often by comparison with an agreed standard or target
- performance-enhancing — noting or relating to a drug or other substance used to improve one's performance in a sport or other activity requiring strength, stamina, etc.: The use of performance-enhancing steroids by athletes is banned.
- peroxydisulfuric acid — persulfuric acid (def 2).
- piero della francesca — Piero della [pee-air-oh del-uh;; Italian pye-raw del-lah] /piˈɛər oʊ ˈdɛl ə;; Italian ˈpyɛ rɔ ˈdɛl lɑ/ (Show IPA), (Piero dei Franceschi) c1420–92, Italian painter.
- place of articulation — the location at which two speech organs approach or come together in producing a speech sound, as in the contact of the tongue and the teeth to form a dental sound. Also called point of articulation. Compare articulator (def 2).
- place of safety order — (in Britain) under the Children and Young Persons Act 1969, an order granted by a justice to a person or agency granting authority to detain a child or young person and take him or her to a place of safety for not more than 28 days, because of the child's actual or likely ill-treatment or neglect, etc
- point of articulation — place of articulation.
- powersoft corporation — (company) A leading vendor of client/server application development tools. In February 1994, Watcom became a wholly-owned subsidiary of Powersoft Corporation which merged with Sybase on 13 February 1995. In April 1995, the new company is the fastest growing top-ten software company and the seventh largest software company in the world. Headquarters: Concord, Massachusetts, USA.
- preacquisition profit — the retained profit of a company earned before a takeover and therefore not eligible for distribution as a dividend to the shareholders of the acquiring company