20-letter words containing c, a, i, r, n
- descriptive notation — a method of denoting the squares on the chessboard in which each player names the files from the pieces that stand on them at the opening and numbers the ranks away from himself
- desmopressin acetate — a vasopressin analogue, C 46 H 64 N 14 O 12 S 2 , used in the treatment of diabetes insipidus.
- determinate cleavage — cell division in a fertilized or unfertilized egg resulting in daughter cells that are no longer able to produce a complete embryo by themselves
- diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
- diamondback terrapin — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
- dickless workstation — (abuse) Extremely pejorative hackerism for "diskless workstation".
- dictionary catalogue — a catalogue of the authors, titles, and subjects of books in one alphabetical sequence
- diels-alder reaction — the reaction in which a conjugated diene combines with a double or triple bond of a given compound to form a ring of six carbon atoms.
- difference amplifier — A difference amplifier is a device that amplifies the difference between two inputs, rejecting any signals common to both.
- differential pricing — a situation in which different prices are charged for the same product or service
- digital service unit — data service unit
- dirac delta function — delta function.
- directional drilling — a method of drilling for oil in which the well is not drilled vertically, as when a number of wells are to be drilled from a single platform to reach different areas of an oil field
- directory assistance — a telephone company service that furnishes telephone directory information over the telephone.
- directory user agent — (DUA) The software that accesses the X.500 Directory Service on behalf of the directory user. The directory user may be a person or another software element.
- disability insurance — insurance providing income to a policyholder who is disabled and cannot work.
- disciplinary hearing — a hearing at which the conduct of a member of an organization, profession etc is examined and a punishment may be handed down
- discretionary income — money for luxuries
- displacement current — the rate of change, at any point in space, of electric displacement with time.
- distress merchandise — goods sold below the prevailing price in order to raise cash quickly or to meet some other financial emergency.
- distribution channel — trade: retailer
- do someone a service — If you do someone a service, you do something that helps or benefits them.
- documentary evidence — law: written
- duck-billed dinosaur — hadrosaur.
- dynamic link library — Dynamically Linked Library
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- economic rationalism — an economic policy based on the efficiency of market forces, characterized by minimal government intervention, tax cuts, privatization, and deregulation of labour markets
- ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
- education department — the department of a local authority that is concerned with education, or the government department concerned with education
- effective resistance — the resistance to an alternating current, expressed as the ratio of the power dissipated to the square of the effective current.
- efficiency apartment — a small apartment consisting typically of a combined living room and bedroom area, a bathroom, and a kitchenette.
- electoral boundaries — the way that a country or area is divided for the purposes of voting in an election
- electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
- electromagnetic pump — a device for pumping liquid metals by placing a pipe between the poles of an electromagnet and passing a current through the liquid metal
- electromagnetic unit — any unit that belongs to a system of electrical cgs units in which the magnetic constant is given the value of unity and is taken as a pure number
- electromagnetic wave — a wave of energy propagated in an electromagnetic field
- electronic signature — electronic proof of a person's identity
- elementary education — the first six to eight years of a child's education
- embryo vitrification — a method of in vitro fertilization in which the embryo is exposed to a vitreous solution and frozen before being thawed and implanted into the uterus
- entertainment center — stereo: hifi
- entrance examination — admission test
- entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
- environmental impact — the impact on the environment created by an industry, service, plan, or project
- 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
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- 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.