15-letter words containing u, n, r, a, t, e
- delayed neutron — a neutron produced in a nuclear reactor by the breakdown of a fission product and released a short time after neutrons produced in the primary process
- delta reduction — (theory) In lambda-calculus extended with constants, delta reduction replaces a function applied to the required number of arguments (a redex) by a result. E.g. plus 2 3 --> 5. In contrast with beta reduction (the only kind of reduction in the pure lambda-calculus) the result is not formed simply by textual substitution of arguments into the body of a function. Instead, a delta redex is matched against the left hand side of all delta rules and is replaced by the right hand side of the (first) matching rule. There is notionally one delta rule for each possible combination of function and arguments. Where this implies an infinite number of rules, the result is usually defined by reference to some external system such as mathematical addition or the hardware operations of some computer. For other types, all rules can be given explicitly, for example Boolean negation: not True = False not False = True (1997-02-20)
- desulfurization — The process of removing sulfur from a substance, such as flue gas or crude.
- deuteranomalous — having deuteranomaly; relating to deuteranomaly
- discount market — a trading market in which notes, bills, and other negotiable instruments are discounted.
- distance runner — a participant in distance races.
- document reader — a device that reads and inputs into a computer marks and characters on a special form, as by optical or magnetic character recognition
- domain squatter — (web) An unscrupulous person who registers a domain name in the hope of selling it to the rightful, expected owner at a profit. E.g. http://foldoc.com/.
- domitae naturae — (of animals) tamed or domesticated (distinguished from ferae naturae).
- double integral — an integral in which the integrand involves a function of two variables and that requires two applications of the integration process to evaluate.
- double standard — any code or set of principles containing different provisions for one group of people than for another, especially an unwritten code of sexual behavior permitting men more freedom than women. Compare single standard (def 1).
- doublet pattern — a pattern, as on a fabric, in which a figure or group is duplicated in reverse order on the opposite side of a centerline.
- dougherty wagon — a horse- or mule-drawn passenger wagon having doors on the side, transverse seats, and canvas sides that can be rolled down.
- eastern rumelia — an autonomous province in the Balkan peninsula, part of the Ottoman Empire, ceded in 1885 to Bulgaria
- eastern sudanic — a group of languages belonging to the Nilo-Saharan family, spoken in eastern and central Africa and including the Nilotic languages.
- echinodermatous — belonging or pertaining to the echinoderms.
- elastic rebound — a theory of earthquakes that envisages gradual deformation of the fault zone without fault slippage until friction is overcome, when the fault suddenly slips to produce the earthquake
- eleutheromaniac — Having a passionate mania for freedom.
- enantiomorphous — Of or pertaining to enantiomorphs or enantiomorphism; enantiomorphic.
- enterobacterium — (microbiology) Any of very many gram-negative rod-shaped bacteria of the family Enterobacteriaceae, many of which are pathogenic.
- entrepreneurial — Characterized by the taking of financial risks in the hope of profit; enterprising.
- enumerated type — (programming) (Or "enumeration") A type which includes in its definition an exhaustive list of possible values for variables of that type. Common examples include Boolean, which takes values from the list [true, false], and day-of-week which takes values [Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday]. Enumerated types are a feature of strongly typed languages, including C and Ada. Characters, (fixed-size) integers and even floating-point types could be (but are not usually) considered to be (large) enumerated types.
- equalitarianism — Egalitarianism.
- estuary english — a variety of standard British English in which the pronunciation reflects various features characteristic of London and the Southeast of England
- evens favourite — the favourite to win a race and on which the bookmakers are offering even odds.
- excommunicatory — Relating to excommunication.
- excursion train — a train that is laid on for a special occasion such as a sports or cultural event
- extralinguistic — Outside the realm of linguistics.
- false buckthorn — a spiny shrub or small tree, Bumelia lanuginosa, of the sapodilla family, native to the southern U.S., having gummy, milky sap and white, bell-shaped flowers and yielding a hard, light-brown wood.
- fault tolerance — (architecture) 1. The ability of a system or component to continue normal operation despite the presence of hardware or software faults. This often involves some degree of redundancy. 2. The number of faults a system or component can withstand before normal operation is impaired.
- fauntleroy suit — a formal outfit for a boy composed of a hip-length jacket and knee-length pants, often in black velvet, and a wide, lacy collar and cuffs, usually worn with a broad sash at the waist and sometimes a large, loose bow at the neck, popular in the late 19th century.
- figurate number — a number having the property that the same number of equally spaced dots can be arranged in the shape of a regular geometrical figure.
- fish restaurant — a restaurant which serves mainly fish
- flapping router — (networking) A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
- fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
- flirtatiousness — The quality of being flirtatious.
- florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
- fluorine dating — a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
- formal argument — (programming) (Or "parameter") A name in a function or subroutine definition that is replaced by, or bound to, the corresponding actual argument when the function or subroutine is called. In many languages formal arguments behave like local variables which get initialised on entry. See: argument.
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- founding father — The founding father of an institution, organization, or idea is the person who sets it up or who first develops it.
- francis turbine — a water turbine designed to produce high flow from a low head of pressure: used esp in hydroelectric power generation
- freak of nature — a person or animal that is born or grows with abnormal physical features.
- friend at court — a friend in a position of influence or power who may advance one's interests, especially a helpful person who is close to someone in authority.
- funeral oration — a formal speech delivered at a funeral
- gender equality — the state of having the same rights, status, and opportunities as others, regardless of one's gender.
- general studies — a school subject that includes a variety of skills and topics (such as comprehension, and current affairs, which may complement the study of A-levels in specific subjects)
- generating unit — a unit that generates electricity
- gesamtkunstwerk — total art work; an artistic creation, as the music dramas of Richard Wagner, that synthesizes the elements of music, drama, spectacle, dance, etc.
- gesta romanorum — a popular collection of tales in Latin with moral applications, compiled in the late 13th century as a manual for preachers