20-letter words containing r, e, v, u, l
- absolute convergence — the property of an infinite series in which the series formed by replacing each term in the original series with its absolute value converges. Compare conditional convergence.
- adventure playground — An adventure playground is an area of land for children to play in, usually in cities or in a park. It has wooden structures and equipment such as ropes, nets, and rubber tyres.
- alternative question — a question that offers the listener a choice of two or more alternatives and is characterized by rising intonation on each alternative except for the final one, which has falling intonation, as Would you like coffee, tea, or soda?
- at the eleventh hour — at the last moment; just before it is too late
- bernard of clairvaux — Saint. ?1090–1153, French abbot and theologian, who founded the stricter branch of the Cistercians in 1115
- bloodless revolution — the events of 1688–89 by which James II was expelled and the sovereignty conferred on William and Mary.
- bouvier des flandres — any of a breed of large, strong dog with a rough, wiry coat and pointed, erect ears
- call-by-value-result — An argument passing convention where the actual argument is a variable V whose value is copied to a local variable L inside the called function or procedure. If the procedure modifies L, these changes will not affect V, which may also be in scope inside the procedure, until the procedure returns when the final value of L is copied to V. Under call-by-reference changes to L would affect V immediately. Used, for example, by BBC BASIC V on the Acorn Archimedes.
- card up one's sleeve — a plan or resource kept secret or held in reserve
- cavalleria rusticana — an opera (1890) by Pietro Mascagni.
- channel service unit — (communications) (CSU) A type of interface used to connect a terminal or computer to a digital medium in the same way that a modem is used for connection to an analogue medium. A CSU is provided by the communication carrier to customers who wish to use their own equipment to retime and regenerate the incoming signals. The customer must supply all of the transmit logic, receive logic and timing recovery in order to use the CSU, whereas a digital service unit DSU performs these functions.
- convergent evolution — the evolutionary development of a superficial resemblance between unrelated animals that occupy a similar environment, as in the evolution of wings in birds and bats
- convertible currency — A convertible currency is a currency that can be bought and sold on the open market for other currencies.
- counterrevolutionary — Counterrevolutionary activities are activities intended to reverse the effects of a previous revolution.
- counterrevolutionist — A counterrevolutionary.
- crude oil evaluation — Crude oil evaluation is the process of assessing the chemical and physical properties of crude oil, against particular standards.
- declarative language — (language) Any relational language or functional language. These kinds of programming language describe relationships between variables in terms of functions or inference rules, and the language executor (interpreter or compiler) applies some fixed algorithm to these relations to produce a result. Declarative languages contrast with imperative languages which specify explicit manipulation of the computer's internal state; or procedural languages which specify an explicit sequence of steps to follow. The most common examples of declarative languages are logic programming languages such as Prolog and functional languages like Haskell. See also production system.
- developing-out paper — a sensitized printing paper requiring development in order to bring out the image. Abbreviation: D.O.P.
- digital service unit — data service unit
- distributive lattice — (theory) A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that a lub (b glb c) == (a lub c) glb (a lub b) and vice versa. ("lub" and "glb" are written in LateX as \sqcup and \sqcap).
- diverticular disease — any disease of the colon involving the presence of diverticula
- drug delivery system — A drug delivery system is a system that is used as a medium or carrier for administering a pharmaceutical product to a patient.
- equivalence relation — (mathematics) A relation R on a set including elements a, b, c, which is reflexive (a R a), symmetric (a R b => b R a) and transitive (a R b R c => a R c). An equivalence relation defines an equivalence class. See also partial equivalence relation.
- equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
- exclusive or circuit — a computer logic circuit having two or more input wires and one output wire and giving a high-voltage output signal if a low-voltage signal is fed to one or more, but not all, of the input wires
- flavour of the month — If you think that something or someone is very popular at a particular time, you can say that they are flavour of the month.
- general public virus — (software, legal) A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
- gill-over-the-ground — ground ivy.
- grievous bodily harm — law: serious injury
- inland revenue stamp — a certificate issued by the Inland Revenue to acknowledge payment of tax
- java virtual machine — (language, architecture) (JVM) A specification for software which interprets Java programs that have been compiled into byte-codes, and usually stored in a ".class" file. The JVM instruction set is stack-oriented, with variable instruction length. Unlike some other instruction sets, the JVM's supports object-oriented programming directly by including instructions for object method invocation (similar to subroutine call in other instruction sets). The JVM itself is written in C and so can be ported to run on most platforms. It needs thread support and I/O (for dynamic class loading). The Java byte-code is independent of the platform. There are also some hardware implementations of the JVM.
- kluver-bucy syndrome — a syndrome caused by bilateral injury to the temporal lobes and characterized by memory defect, hypersexuality, excessive oral behavior, and diminished fear reactions.
- labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
- linguistic universal — language universal.
- love's labour's lost — a comedy (1594–95?) by Shakespeare.
- lutherville-timonium — a city in N Maryland, near Baltimore.
- material equivalence — equivalence (def 4b).
- material-equivalence — the state or fact of being equivalent; equality in value, force, significance, etc.
- multiplicative group — a group in which the operation of the group is multiplication.
- multipurpose vehicle — a large car, similar to a van, designed to carry up to eight passengers
- net realizable value — the net value of an asset if it were to be sold, taking into account the cost of making the sale and of bringing the asset into a saleable state
- oscillating universe — a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction.
- over-intellectualize — to seek or consider the rational content or form of.
- overenthusiastically — With excessive enthusiasm.
- period of revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- population inversion — a condition of matter in which more electrons are in a high energy state than in a lower energy state, as is required for the operation of a laser.
- receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
- relative conjunction — a conjunction that introduces a relative clause
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- spuyten duyvil creek — a channel in New York City at the north end of Manhattan Island, connecting the Hudson and Harlem rivers.
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