21-letter words containing a, e, o, n, i

criminal conversation — (formerly) a common law action brought by a husband by which he claimed damages against an adulterer
cross-cousin marriage — marriage between the children of a brother and sister.
crude oil dehydration — Crude oil dehydration is the removal of water or water vapor from crude oil, by separating the oil from the water, often in a rotating centrifuge.
customer satisfaction — When customers are pleased with the goods or services they have bought, you can refer to customer satisfaction.
cyclical unemployment — unemployment caused by fluctuations in the level of economic activity inherent in trade cycles
data set organization — (operating system, storage) (DSORG) An IBM term for file structure. These include PS physical sequential, DA direct access, IS indexed sequential, PO partitioned (a library). This system dates from OS/360, and breaks down beginning with VSAM and VTAM, where it is no longer applied. Sequential and indexed data sets can be accessed using either a "basic" or a "queued" "access method." For example a DSORG=PS file can use either BSAM (basic sequential access method) or QSAM (queued sequential access method). It can also be processed as a direct file using BDAM. Likewise a library can be processed using BPAM (basic partitioned access method), BSAM, QSAM, or BDAM. DSORG and access method are somewhat, but not completely, orthogonal. The "basic" access method deals with physical blocks rather than records, and usually provides more control over the specific device. Each I/O operation using the "basic" access method reads or writes a single block. A "basic" read or write starts an asynchronous I/O operation, and the programmer is responsible for waiting for completion and checking for errors. The "queued" access method deals with logical records and provides blocking and deblocking services. It is "queued" because it provides read-ahead and write-behind services. While a program is processing records in one input block, for example, QSAM may be reading one or more blocks ahead. Queued "get" or "put" operations are synchronous as far as the programmer is concerned. The operation is complete when the next logical record has been successfully processed. EXCP (Execute Channel Program) is a lower-level method of accessing data. IBM manuals usually named "Data Administration Guide", e.g. SC26-4505-1 for MVS/ESA DFP 3.1, provide more detail about data set organizations and access methods.
de-ontological ethics — the branch of ethics dealing with right action and the nature of duty, without regard to the goodness or value of motives or the desirability of the ends of any act.
decompression chamber — a chamber in which the pressure of air can be varied slowly for returning people from abnormal pressures to atmospheric pressure without inducing decompression sickness
defender of the faith — the title conferred upon Henry VIII by Pope Leo X in 1521 in recognition of the King's pamphlet attacking Luther's doctrines and retained by subsequent monarchs of England
degradation of energy — the principle that during any irreversible process the total energy available to do work decreases.
delusions of grandeur — If someone has delusions of grandeur, they think and behave as if they are much more important or powerful than they really are.
demand-pull inflation — inflation in which rising demand results in a rise in prices.
democratic centralism — the Leninist principle that policy should be decided centrally by officials, who are nominally democratically elected
dendrochronologically — By the use of, or with reference to dendrochronology.
denominational school — a school associated with a particular religious denomination
deoxyribonucleic acid — DNA
department of justice — the department of the U.S. federal government charged with the responsibility for the enforcement of federal laws. Abbreviation: DOJ.
deprovincialization's — to make provincial in character.
designated employment — (in Britain) any of certain kinds of jobs reserved for handicapped workers under the Disabled Persons (Employment) Act 1944
detoxification centre — a place that specializes in the treatment of alcoholism or drug addiction
development education — an area of study that aims to give pupils an understanding of their involvement in world affairs
developmental biology — the study of the development of multicellular organisms, including the study of the earliest stages of embryonic structure and tissue differentiation
dew-point temperature — the temperature to which air must be cooled, at a given pressure and water-vapor content, for it to reach saturation; the temperature at which dew begins to form.
dictionary definition — the meaning of a word as given in a dictionary or dictionaries
differential equation — an equation involving differentials or derivatives.
differential geometry — the branch of mathematics that deals with the application of the principles of differential and integral calculus to the study of curves and surfaces.
differential operator — a function, usually expressed as a polynomial, that indicates linear combinations of the derivatives of the expression on which it operates.
differential quotient — derivative (def 6).
differential topology — the branch of topology that studies the properties of differentiable manifolds that remain invariant under diffeomorphisms.
differential-quotient — something that has been derived.
disassortative mating — the reproductive pairing of individuals that have traits more dissimilar than would likely be the case if mating were random (contrasted with assortative mating).
discretionary account — an account in which the stockbroker is allowed complete control over the purchase and sale of securities on the customer's behalf.
disk operating system — DOS.
distinctiveness ratio — the ratio of the relative frequency of some event in a given sample to that in the general population or another relevant sample
double predestination — the doctrine that God has foreordained both those who will be saved and those who will be damned.
double spanish burton — a tackle having one standing block and two running blocks, giving a mechanical advantage of five, neglecting friction.
drop in someone's lap — give someone the responsibility of
drop the handkerchief — a children's game in which all the players but one stand in a circle facing inward, while that one player stealthily drops a handkerchief behind a player in the circle who must pursue and attempt to catch the one who dropped the handkerchief before the latter reaches the vacated place.
duccio di buoninsegna — c1255–1319? Italian painter.
dumfries and galloway — a region in S Scotland. 2460 sq. mi. (6371 sq. km).
dynamic drive overlay — (storage, software) (DDO) Software to allow a system BIOS that does not support Logical Block Addressing to access drives larger than 528 MB. The alternatives are to update the system BIOS or install an EIDE controller card with a suitable on-board BIOS.
earthmoving equipment — machines, such as bulldozers, that are used for excavating and moving large quantities of earth
easier said than done — difficult to do
eastern european time — a standard time used by some countries in Eastern Europe, such as Finland, Romania, etc and also some countries of the Middle East and North Africa
eccles-jordan circuit — flip-flop
ecological succession — succession (def 6).
ecological-succession — the coming of one person or thing after another in order, sequence, or in the course of events: many troubles in succession.
educational sociology — the application of sociological principles and methods to the solution of problems in an educational system.
electric polarization — Electric polarization is the type of polarization of electricity that occurs in a dielectric.
electromagnetic field — a field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation

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