20-letter words containing u, n, c, r, t, a
- elementary education — the first six to eight years of a child's education
- entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
- equilibrium constant — The equilibrium constant is the ratio between the amount of reactants and the amount of product for a particular chemical reaction, used to calculate chemical behavior.
- 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.
- erythema infectiosum — a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk
- factor of production — any instrument, agent, etc., employed in the production of goods and services.
- federal constitution — Constitution of the United States.
- financial instrument — A financial instrument is a document or contract that can be traded in a market, that represents an asset to one party and a liability or equity to the other.
- first-cause argument — an argument for the existence of God, asserting the necessity of an uncaused cause of all subsequent series of causes, on the assumption that an infinite regress is impossible.
- fractionating column — a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- frequency modulation — FM.
- frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
- fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
- fundamental particle — elementary particle.
- fundamental research — research carried out to deepen understanding of the fundamental or basic principles of something
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
- hit-and-run accident — a motor-vehicle accident in which the driver leaves the scene without stopping to give assistance, inform the police, etc
- honeysuckle ornament — anthemion.
- hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
- human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
- hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
- in bad circumstances — (of a person) in a bad financial situation
- in the circumstances — a condition, detail, part, or attribute, with respect to time, place, manner,agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.
- in-service education — training and education given to employed teachers throughout their career
- indian cucumber root — a North American plant, Medeola virginiana, of the lily family, having whorled leaves, nodding, greenish-yellow flowers, and an edible root.
- industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
- industrial insurance — industrial life insurance.
- industrial sociology — the sociological study of social relationships and social structures in business settings.
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- isochronous transfer — isochronous
- 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.
- job control language — a language used to construct statements that identify a particular job to be run and specify the job's requirements to the operating system under which it will run. Abbreviation: JCL.
- joint life insurance — life insurance covering two or more persons, the benefits of which are paid after the first person dies.
- jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
- keratoconjunctivitis — inflammation of the cornea and conjunctiva.
- knock the tar out of — any of various dark-colored viscid products obtained by the destructive distillation of certain organic substances, as coal or wood.
- knock-down, drag-out — characterized by great violence, harshness, animosity, etc.
- lieutenant commander — a commissioned officer ranking next below a commander and next above a lieutenant.
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- linguistic geography — dialect geography.
- linguistic universal — language universal.
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- logical construction — anything referred to by an incomplete symbol capable of contextual definition.
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- macular degeneration — degeneration of the central portion of the retina, resulting in a loss of sharp vision.