20-letter words containing x, a, n
- abstract syntax tree — (compiler) (AST) A data structure representing something which has been parsed, often used as a compiler or interpreter's internal representation of a program while it is being optimised and from which code generation is performed. The range of all possible such structures is described by the abstract syntax.
- alexandra feodorovna — 1872–1918, empress of Russia (wife of Nicholas II).
- algebraic expression — a symbol or a combination of symbols used in algebra, containing one or more numbers, variables, and arithmetic operations: how to solve algebraic expressions.
- all-ordinaries index — an index of share prices on the Australian Stock Exchange giving a weighted arithmetic average of 245 ordinary shares
- antimony oxychloride — a white, water-insoluble powder, SbOCl, used chiefly in the manufacture of antimony salts.
- asexual reproduction — reproduction, as budding, fission, or spore formation, not involving the union of gametes.
- at someone's expense — If you do something at someone's expense, they provide the money for it.
- auxiliary power unit — an additional engine fitted to an aircraft to operate when the main engines are not in use
- basic oxygen process — a process for refining steel in which oxygen is blown into the molten iron
- be-twixt and between — betwixt and between, neither the one nor the other; in a middle or unresolved position: Not wanting to side with either her father or her mother, she was betwixt and between.
- benzene hexachloride — a compound, C6H6Cl6, used as an insecticide
- bernard of clairvaux — Saint. ?1090–1153, French abbot and theologian, who founded the stricter branch of the Cistercians in 1115
- brazilian bikini wax — the act or instance of removing all or almost all of a woman's pubic hair for cosmetic reasons
- capital transfer tax — (in Britain) a tax payable from 1974 to 1986 at progressive rates on the cumulative total of gifts of money or property made during the donor's lifetime or after his death. It was replaced by inheritance tax
- cavendish experiment — the experiment, conducted by Henry Cavendish, that determined the constant of gravitation by using a torsion balance and measuring the torsion produced by two masses placed at given distances from the masses on the balance.
- change-speed gearbox — A change-speed gearbox is a set of movable or constant gears which allows the speed ratio between input and output shafts to be changed either manually or automatically.
- codex juris canonici — the official code of canon law in force in the Roman Catholic Church; introduced in 1918 and revised in 1983
- colonial experiencer — affluent young Englishman who gained experience of farming, etc in colonial Australia
- context of situation — the totality of extralinguistic features having relevance to a communicative act.
- context-free grammar — (grammar) (CFG) A grammar where the syntax of each constituent (syntactic category or terminal symbol) is independent of the symbols occuring before and after it in a sentence. A context-free grammar describes a context-free language. Context-free grammars can be expressed by a set of "production rules" or syntactic rules. For example, a language with symbols "a" and "b" that must occur in unequal numbers can be represented by the CFG: S → U | V U → TaU | TaT | UaT V → TbV | TbT | VbT T → aTbT | bTaT | ε meaning the top-level category "S" consists of either a "U" or a "V" and so on. The special category "ε" represents the empty string. This grammar is context-free because each rule has a single symbol on its left-hand side.
- coordination complex — one of a number of complex compounds in which an atom or group of atoms is bound to the central atom by a shared pair of electrons supplied by the coordinated group and not by the central atom
- depreciation expense — A depreciation expense is the amount deducted from gross profit to allow for a reduction in the value of something because of its age or how much it has been used.
- docosahexaenoic acid — DHA.
- entrance examination — admission test
- epitaxial transistor — a transistor made by depositing a thin pure layer of semiconductor material (epitaxial layer) onto a crystalline support by epitaxy. The layer acts as one of the electrode regions, usually the collector
- essential complexity — (programming) A measure of the "structuredness" of a program.
- examining magistrate — (in some countries with inquisitorial legal systems) a judge who investigates cases and decides whether there is a case to answer in court
- exercise, left as an — Used to complete a proof in technical books when one doesn't mind a handwave, or to avoid one entirely. The complete phrase is: "The proof [or "the rest"] is left as an exercise for the reader." This comment *has* occasionally been attached to unsolved research problems by authors possessed of either an evil sense of humour or a vast faith in the capabilities of their audiences.
- existentialistically — In an existentialist manner.
- explication de texte — a close textual analysis of a literary work
- extensional equality — (Or extensionality). Functions, f and g are extensionally equal if and only if f x = g x for all x. where "=" means both expressions fail to terminate (under some given reduction strategy) or they both terminate with the same basic value. Two functions may be extensionally equal but not inter-convertible (neither is reducible to the other). E.g. \ x . x+x and \ x . 2*x. See also observational equivalence, referential transparency.
- external respiration — exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
- fixed action pattern — a highly stereotyped pattern of behavior that is characteristic of a particular species.
- fixed penalty (fine) — a fine of a fixed amount of money for a particular offence
- fixed-price contract — a contract in which the price is preset and invariable, regardless of the actual costs of production.
- fixed-rate financing — a loan system in which the amount paid back does not fluctuate according to interest rated
- hexadecimal notation — a number system having a base 16; the symbols for the numbers 0–9 are the same as those used in the decimal system, and the numbers 10–15 are usually represented by the letters A–F. The system is used as a convenient way of representing the internal binary code of a computer
- hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- income tax inspector — a person whose job is to assess individuals' income tax liability
- information exchange — discussion that involves exchanging ideas and knowledge
- kármán vortex street — a regular stream of vortices shed from a body placed in a fluid stream: investigated by Kármán who advanced a formula for the frequency of the shed vortices in terms of the stream velocity and the dimensions of the body
- linear extrapolation — Statistics, Mathematics. extrapolation using a linear equation to estimate the value of a variable or function outside the tabulated or observed range.
- mail exchange record — (messaging) (MX Record) A DNS resource record type that says which SMTP server handles electronic mail for a particular domain. E.g. the MX record foo.co.uk. 1054 IN MX 10 mail.foo.co.uk. means that mail for an address like "[email protected]" should be sent to "mail.foo.co.uk". There can be several servers for a domain. The "10" is a priority - the server with the lowest number will be tried first.
- mannitol hexanitrate — a colorless, crystalline, water-insoluble, explosive solid, C 6 H 8 N 6 O 1 8 , used as a fulminating agent in percussion caps and in the treatment of hypertension and coronary insufficiency.
- maximum segment size — (networking) (MSS) The maximum amount of TCP data that a node can send in one segment. This should be the size of the receiver's reassembly buffer to try to avoid fragmentation. The equivalent at the physical layer is "Maximum Transmission Unit".
- menstrual extraction — an abortion procedure involving suction aspiration of the uterine contents early in gestation, before the first missed menstrual period: sometimes performed later.
- mexican jumping bean — jumping bean.
- microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
- multimedia extension — Matrix Math eXtensions
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