21-letter words containing e, a, g, n
- atomic disintegration — a process resulting in the change of a radioactive nucleus, either by emission of an alpha, beta, or gamma ray or by fission, and producing a change in the original mass, atomic number, or energy
- atomic unit of length — (in the Bohr atom) the radius of the electron orbit having the lowest energy.
- augustin jean fresnel — Augustin Jean, 1788–1827, French physicist.
- australian cattle dog — a compact strongly-built dog of a breed with pricked ears and a smooth bluish-grey coat, often used for controlling and moving cattle
- averaging light meter — an exposure meter that evaluates light measured from all parts of the picture area to generate an average reading.
- aversive conditioning — a type of behavior conditioning in which noxious stimuli are associated with undesirable or unwanted behavior that is to be modified or abolished, as the use of nausea-inducing drugs in the treatment of alcoholism.
- 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.
- bad conduct discharge — a discharge of a person from military service for an offense less serious than one for which a dishonorable discharge is given.
- barbiturate poisoning — poisoning caused by overdose of a barbiturate
- barren ground caribou — a migrating caribou of the North American tundra and taiga, having many-branched slender antlers.
- be on the danger list — to be critically ill in hospital
- be on to a good thing — to be in a profitable situation or position
- behavioural contagion — the spread of a particular type of behaviour, such as crying, through a crowd or group of people
- behind the eight ball — in a difficult situation; snookered
- binding-time analysis — (compiler) An analysis to identify sub-expressions which can be evaluated at compile-time or where versions of a function can be generated and called which are specialised to certain values of one or more arguments. See partial evaluation.
- boiling-water reactor — a nuclear reactor using water as coolant and moderator, steam being produced in the reactor itself: enriched uranium oxide cased in zirconium is the fuel
- brainstorming session — a meeting held for the purpose of intensive discussion to solve problems or generate ideas
- breaking and entering — (formerly) the gaining of unauthorized access to a building with intent to commit a crime or, having committed the crime, the breaking out of the building
- breakthrough bleeding — bleeding from the uterus that occurs between menstrual periods
- british sign language — the main sign language used by deaf people in the United Kingdom
- bursting at the seams — If a place is very full, you can say that it is bursting at the seams.
- cascading style sheet — a file recording style details, such as fonts, colours, etc, that is read by browsers so that style is consistent over multiple web pages
- category merchandiser — A category merchandiser is a person whose job is to maintain stocks, manage displays and promote sales of a certain product category such as footwear.
- catherine of braganza — 1638–1705, wife of Charles II of England, daughter of John IV of Portugal
- cause-effect graphing — (programming) A testing technique that aids in selecting, in a systematic way, a high-yield set of test cases that logically relates causes to effects to produce test cases. It has a beneficial side effect in pointing out incompleteness and ambiguities in specifications.
- caviar to the general — a thing appealing only to a highly cultivated taste: Hamlet II, ii
- central daylight time — the time observed in the Central Time Zone of the United states when Daylight Savings Time is in effect; GMT -5
- certificate of origin — a document stating the name of the country that produced a specified shipment of goods: often required before importation of goods
- character recognition — Character recognition is a process which allows computers to recognize written or printed characters such as numbers or letters and to change them into a form that the computer can use.
- cheque guarantee card — a card issued by a bank or building society, guaranteeing payment of a customer's cheques up to a stated value
- chief master sergeant — a solider of the highest enlisted rank in the US Air Force
- clone-and-hack coding — case and paste
- closed-angle glaucoma — angle-closure glaucoma. See under glaucoma.
- collective bargaining — When a trade union engages in collective bargaining, it has talks with an employer about its members' pay and working conditions.
- college of propaganda — information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc.
- committal proceedings — a preliminary hearing in a magistrates' court to decide if there is a case to answer
- committing magistrate — a magistrate who decides if there is enough evidence for a case to proceed
- companionate marriage — a proposed system of trial marriage in which the couple would postpone having children and could be divorced by mutual consent, until a final decision to stay married is reached
- competitive advantage — an advantage based on success in competition
- completing the square — a method, usually of solving quadratic equations, by which a quadratic expression, as x 2 − 4 x + 3, is written as the sum or difference of a perfect square and a constant, x 2 − 4 x + 4 + 3 − 4 = (x − 2) 2 − 1, by addition and subtraction of appropriate constant terms.
- computer aided design — (application) (CAD) The part of CAE concerning the drawing or physical layout steps of engineering design. Often found in the phrase "CAD/CAM" for ".. manufacturing".
- computer-aided design — the use of computer techniques in designing products, esp involving the use of computer graphics
- concert grand (piano) — the largest size of grand piano, for concert performance
- conditional discharge — If someone who is convicted of an offence is given a conditional discharge by a court, they are not punished unless they later commit a further offence.
- congregational church — any evangelical Protestant Christian Church that is governed according to the principles of Congregationalism. In 1972 the majority of churches in the Congregational Church in England and Wales voted to become part of the United Reformed Church
- consciousness raising — Consciousness raising is the process of developing awareness of an unfair situation, with the aim of making people want to help in changing it.
- consciousness-raising — Psychology. a group-therapy technique in which the aim is to enhance the participants' awareness of their particular needs and goals as individuals or as a group.
- constant mesh gearbox — A constant mesh gearbox is a type of transmission in which all forward gear pairs remain engaged.
- constantine the great — (Flavius Valerius Aurelius Constantinus"the Great") a.d. 288?–337, Roman emperor 324–337: named Constantinople as the new capital; legally sanctioned Christian worship.