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20-letter words containing a, n, t, i, c, r

  • 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
  • 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.
  • factor in (or into) — to include as a factor
  • factor of production — any instrument, agent, etc., employed in the production of goods and services.
  • feather in one's cap — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
  • federal constitution — Constitution of the United States.
  • fermentation alcohol — alcohol (def 1).
  • fermentation-alcohol — Also called ethyl alcohol, grain alcohol, ethanol, fermentation alcohol. a colorless, limpid, volatile, flammable, water-miscible liquid, C 2 H 5 OH, having an etherlike odor and pungent, burning taste, the intoxicating principle of fermented liquors, produced by yeast fermentation of certain carbohydrates, as grains, molasses, starch, or sugar, or obtained synthetically by hydration of ethylene or as a by-product of certain hydrocarbon syntheses: used chiefly as a solvent in the extraction of specific substances, in beverages, medicines, organic synthesis, lotions, tonics, colognes, rubbing compounds, as an automobile radiator antifreeze, and as a rocket fuel. Compare denatured alcohol, methyl alcohol.
  • financial controller — a senior executive in usually commercial organization who is in charge of financial affairs and oversees such things as the preparation of budgets and accounts
  • 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.
  • fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
  • fixed action pattern — a highly stereotyped pattern of behavior that is characteristic of a particular species.
  • 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
  • florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
  • for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
  • 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.
  • front-to-back engine — an engine in which the crankshaft is arranged front to back along the axis of the vehicle
  • frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
  • fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
  • fundamental particle — elementary particle.
  • general practitioner — a medical practitioner whose practice is not limited to any specific branch of medicine or class of diseases. Abbreviation: G.P.
  • generative semantics — a theory of generative grammar holding that the deep structure of a sentence is equivalent to its semantic representation, from which the surface structure can then be derived using only one set of rules that relate underlying meaning and surface form rather than separate sets of semantic and syntactic rules.
  • 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)
  • gravimetric analysis — analysis by weight.
  • great-circle sailing — sailing between two points more or less according to an arc of a great circle, in practice almost always using a series of rhumb lines of different bearings to approximate the arc, whose own bearing changes constantly unless it coincides with a meridian or the equator.
  • 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.
  • helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
  • 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.
  • high-energy particle — Physics
  • hit-and-run accident — a motor-vehicle accident in which the driver leaves the scene without stopping to give assistance, inform the police, etc
  • horizontal microcode — (processor)   Microcode using horizontal encoding.
  • horizontal scan rate — (hardware)   (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
  • 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.
  • hyperadrenocorticism — Cushing's syndrome.
  • hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
  • hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
  • 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 flagrante delicto — Law. in the very act of committing the offense.
  • 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-car entertainment — In-car entertainment is a sound system consisting of, for example, a radio or compact disc player, that is designed for easy operation by the driver, and to be unaffected by vibration. In larger vehicles, this system can include television and DV
  • in-service education — training and education given to employed teachers throughout their career
  • income tax inspector — a person whose job is to assess individuals' income tax liability
  • incorporated company — a legally constituted company
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