23-letter words containing a, e, r, i, l
- (as) dead as a doornail — dead beyond any doubt
- acceleration of gravity — the gravitational acceleration of a freely falling object, expressed in terms of the rate of increase of velocity per second: on earth 980.665 cm (32.17 ft) per second per second is the standard
- acoustical surveillance — the collecting or recording of information by sound-detection methods and devices, as for intelligence purposes.
- act of parliament clock — a pendulum wall clock of the late 18th century, usually having a black dial with gilt numbers: originally installed in English taverns because a burdensome tax prevented many homes from having private clocks.
- adaptive cruise control — Adaptive cruise control is an electronic control system in a vehicle that makes sure that the vehicle keeps a safe distance from vehicles in front.
- addition polymerization — the act or process of forming a polymer or polymeric compound.
- adjusting journal entry — An adjusting journal entry is a journal entry that is made to correct an error or update an account.
- advanced skills teacher — a teacher who has achieved high standards of classroom practice and success and who, after passing a national assessment, is paid to share his or her skills and experience with other teachers
- affiliation proceedings — (formerly) legal proceedings, usually initiated by an unmarried mother, claiming legal recognition that a particular man is the father of her child, often associated with a claim for financial support
- all his geese are swans — he constantly exaggerates the importance of a person or thing
- alpha-ketoglutaric acid — a dibasic keto acid, C 5 H 6 O 5 , that occurs as an intermediate in the Krebs' cycle and in protein metabolism.
- alternative conjunction — a conjunction, as or, that expresses an alternative relationship between the words, phrases, or clauses it connects.
- amortized mortgage loan — a loan that is amortized over a period of time and is secured by a mortgage
- animal liberation front — an animal-rights movement founded in Britain, often using direct action
- articles of association — the constitution and regulations of a registered company as required by the British Companies Acts
- artificial insemination — Artificial insemination is a medical technique for making a woman pregnant by injecting previously stored sperm into her womb. Female animals can also be made pregnant by artificial insemination. The abbreviation AI is also used.
- artificial intelligence — Artificial intelligence is a type of computer technology which is concerned with making machines work in an intelligent way, similar to the way that the human mind works. The abbreviation AI is also used.
- artificial-intelligence — the capacity of a computer to perform operations analogous to learning and decision making in humans, as by an expert system, a program for CAD or CAM, or a program for the perception and recognition of shapes in computer vision systems. Abbreviation: AI, A.I.
- astro-inertial guidance — celestial guidance.
- astronomical refraction — refraction (def 3).
- astronomical-refraction — Physics. the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
- asymmetrical modulation — (communications) A scheme to maximise use of a communications line by giving a larger share of the bandwidth to the modem at the end which is transmitting the most information. Only one end of the connection has full bandwidth, the other has only a fraction of the bandwidth. Normally, which end gets the full bandwidth is chosen dynamically. Asymmetrical modulation was made famous by the HST mode of the early high-speed modems from US Robotics.
- atmospheric electricity — static electricity produced by charged particles in the atmosphere.
- atrioventricular bundle — a bundle of specialized muscle fibers regulating the heartbeat by conducting impulses from the right atrium to the ventricles.
- australopithecus boisei — an extinct species of very rugged, large-toothed bipedal hominid, formerly known as Zinjanthropus boisei, that lived in eastern Africa one to two million years ago.
- barrister and solicitor — an attorney who is licensed to prepare cases and argue them in court in the common-law provinces of Canada and in New Zealand and Australia.
- battered child syndrome — the array of physical injuries exhibited by young children who have been beaten repeatedly or otherwise abused by their parents or guardians.
- bellefontaine neighbors — a city in E Missouri.
- bereavement counselling — the provision of advice for bereaved people to help them cope with their grief, sometimes given by charities and support groups
- bilinear transformation — Möbius transformation.
- bird-meertens formalism — (theory, programming) (BMF) (Or "Squiggol") A calculus for derivation of functional programs from a specification. It consists of a set of higher-order functions that operate on lists including map, fold, scan, filter, inits, tails, cross product and function composition.
- bird-of-paradise flower — any of various banana-like plants of the genus Strelitzia, esp S. reginae, that are native to tropical southern Africa and South America and have purple bracts and large orange or yellow flowers resembling birds' heads: family Strelitziaceae
- black-throated whipbird — an Australian whipbird, Psophodes nigrogularis
- boundary value analysis — (programming) A test data selection technique in which values are chosen to lie along data extremes. Boundary values include maximum, minimum, just inside/outside boundaries, typical values, and error values. The hope is that, if a systems works correctly for these special values then it will work correctly for all values in between.
- bread-and-butter pickle — an unpeeled slice of cucumber marinated in salt water and boiled with vinegar, celery seed, spices, and brown sugar.
- brinell hardness number — a measure of the hardness of a material obtained by pressing a hard steel ball into its surface; it is expressed as the ratio of the load on the ball in kilograms to the area of the depression made by the ball in square millimetres
- broadcast quality video — (communications, multimedia) Roughly, video with more than 30 frames per second at a resolution of 800 x 640 pixels. The quality of moving pictures and sound is determined by the complete chain from camera to receiver. Relevant factors are the colour temperature of the lighting, the balance of the red, green and blue vision pick-up tubes to produce the correct display colour temperature (which will be different) and the gamma pre-correction to cancel the non-linear characteristic of cathode-ray tubes in television receivers. The resolution of the camera tube and video coding system will determine the maximum number of pixels in the picture. Different colour coding systems have different defects. The NTSC system (National Television Systems Committee) can produce hue errors. The PAL system (Phase Alternation by Line) can produce saturation errors. Television modulation systems are specified by ITU CCIR Report 624. Low-resolution systems have bandwidths of 4.2 MHz with 525 to 625 lines per frame as used in the Americas and Japan. Medium resolution of 5 to 6.5 MHz with 625 lines is used in Europe, Asia, Africa and Australasia. High-Definition Television (HDTV) will require 8 MHz or more of bandwidth. A medium resolution (5.5 MHz in UK) picture can be represented by 572 lines of 402 pixels. Note the ratio of pixels to lines is not the same as the aspect ratio. A VGA display (480n lines of 640 pixels) could thus display 84% of the height of one picture frame. Most compression techniques reduce quality as they assume a restricted range of detail and motion and discard details to which the human eye is not sensitive. Broadcast quality implies something better than amateur or domestic video and therefore can't be retained on a domestic video recorder. Broadcasts use quadriplex or U-matic recorders. The lowest frame rate used for commercial entertainment is the 24Hz of the 35mm cinema camera. When broadcast on a 50Hz television system, the pictures are screened at 25Hz reducing the running times by 4%. On a 60Hz system every five movie frames are screened as six TV frames, still at the 4% increased rate. The six frames are made by mixing adjacent frames, with some degradation of the picture. A computer system to meet international standard reproduction would at least VGA resolution, an interlaced frame rate of 24Hz and 8 bits to represent the luminance (Y) component. For a component display system using red, green and blue (RGB) electron guns and phosphor dots each will require 7 bits. Transmission and recording is different as various coding schemes need less bits if other representations are used instead of RGB. Broadcasts use YUV and compression can reduce this to about 3.5 bits per pixel without perceptible degradation. High-quality video and sound can be carried on a 34 Mbaud channel after being compressed with ADPCM and variable length coding, potentially in real time.
- calcium channel blocker — any drug that prevents the influx of calcium ions into cardiac and smooth muscle: used to treat high blood pressure and angina
- calorie-controlled diet — a diet that restricts a person to a limited number of calories per day
- camillo benso di cavour — Camillo Benso di [kah-meel-law ben-saw dee] /kɑˈmil lɔ ˈbɛn sɔ di/ (Show IPA), 1810–61, Italian statesman: leader in the unification of Italy.
- castellammare di stabia — a port and resort in SW Italy, in Campania on the Bay of Naples: site of the Roman resort of Stabiae, which was destroyed by the eruption of Vesuvius in 79 ad. Pop: 66 929 (2001)
- catherine of alexandria — Saint, a.d. c310, Christian martyr.
- cauchy integral formula — a theorem that gives an expression in terms of an integral for the value of an analytic function at any point inside a simple closed curve of finite length in a domain.
- cauchy integral theorem — the theorem that the integral of an analytic function about a closed curve of finite length in a finite, simply connected domain is zero.
- central processing unit — the part of a computer that performs logical and arithmetical operations on the data as specified in the instructions
- characteristic velocity — a measure of the effectiveness with which the combustion in a rocket engine produces high temperature and pressure, equal to the exhaust velocity divided by the thrust coefficient.
- circumstantial evidence — indirect evidence that tends to establish a conclusion by inference
- civil aeronautics board — the former federal agency (1938–85) that regulated airline fares and assigned routes. Abbreviation: CAB, C.A.B.
- client-centered therapy — a nondirective method of psychotherapy in which treatment consists of helping patients to use effectively their own latent resources in solving problems.
- collision damage waiver — a form of optional collision insurance cover for a vehicle that is being rented
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