21-letter words containing o, n, e, i, r
- difference of opinion — disagreement
- 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.
- disruptive technology — A disruptive technology is a new technology, such as computers and the Internet, which has a rapid and major effect on technologies that existed before.
- 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
- divine right of kings — the doctrine that the right of rule derives directly from God, not from the consent of the people.
- 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.
- 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
- 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
- electromagnetic pulse — a surge of electromagnetic radiation, esp one resulting from a nuclear explosion, which can disrupt electronic devices and, occasionally, larger structures and equipment
- electronic publishing — Electronic publishing is the publishing of documents in a form that can be read on a computer, for example as a CD-ROM.
- electronic typewriter — a keyboard machine for writing electromechanically in characters resembling print
- emotional correctness — pressure on an individual to be seen to feel the same emotion as others
- employee contribution — money contributed by an employee to his or her employer's pension fund
- employer contribution — money contributed by an employer to his or her employee's pension fund
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- enhanced oil recovery — any of several techniques that make it possible to recover more oil than can be obtained by natural pressure, such as the injection of fluid or gases into an oilfield to force more oil to the surface
- enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
- enter into the spirit — If you enter into the spirit of something, you take part in it in an enthusiastic way.
- environmental studies — a university course studying the environment and related issues
- equiangular hyperbola — a hyperbola with transverse and conjugate axes equal to each other.
- exposure compensation — the act of overriding a camera's automatic exposure in order to achieve a particular effect or due to difficult lighting conditions
- extensible vax editor — (text, tool) (EVE) A DEC product implemented using DEC's Text Processing Utility (TPU).
- faculty board meeting — a meeting of the governing body of a faculty
- flip someone the bird — give someone the finger (see phrase under finger)
- flotation compartment — in a boat, an enclosed section filled with air or gas to give buoyancy
- flowering wintergreen — fringed polygala.
- food conversion ratio — a ratio expressing the weight of food required to produce a unit gain in the live weight of an animal
- for someone's benefit — something that is advantageous or good; an advantage: He explained the benefits of public ownership of the postal system.
- for the benefit of sb — If you say that someone is doing something for the benefit of a particular person, you mean that they are doing it for that person.
- foreground processing — a type of processing that supports interaction between interactive and batch operations
- foreign correspondent — a correspondent, as for a periodical, assigned to send back articles and news dispatches from a foreign country for publication.
- foreign exchange rate — the rate that specifies how much the currency of a nation is worth in terms of the currency of another nation
- forensic anthropology — the branch of physical anthropology in which anthropological data, criteria, and techniques are used to determine the sex, age, genetic population, or parentage of skeletal or biological materials in questions of civil or criminal law.