21-letter words containing e, s, n, t, i
- devil's walking-stick — Hercules'-club (sense 1)
- devil's-walking-stick — Hercules-club (def 2).
- differential calculus — the branch of mathematics that deals with differentials and derivatives.
- differential windlass — a pair of hoisting drums of different diameter turning at the same rate, such that a pulley suspended below them on a line wound on the larger drum and unwound from the smaller drum is raised with mechanical advantage.
- diffusion coefficient — the rate at which a diffusing substance is transported between opposite faces of a unit cube of a system when there is unit concentration difference between them
- 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.
- disestablishmentarian — a person who favors the separation of church and state, especially the withdrawal of special rights, status, and support granted an established church by a state; an advocate of disestablishing a state church.
- disk operating system — DOS.
- displacement activity — a behavior performed out of its usual context and apparently irrelevant to the prevailing situation, as eating when an unknown individual approaches, tending to occur when appropiate behaviors, as attacking or fleeing, are in conflict or obstructed.
- display advertisement — an advertisement designed to attract attention by using devices such as conspicuous or elegant typefaces, graphics, etc
- 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.
- distant early warning — a US radar detection system to warn of missile attack
- 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
- distinguished-looking — having a dignified and attractive appearance
- 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.
- easier said than done — difficult to do
- eastern daylight time — a time zone applicable to many eastern areas of the United States during the summer months, being a daylight-saving variant of Eastern Standard Time
- 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
- eastern standard time — See under standard time.
- eccles-jordan circuit — flip-flop
- educational sociology — the application of sociological principles and methods to the solution of problems in an educational system.
- electric displacement — the electric flux density when an electric field exists in free space into which a dielectric is introduced
- electric flux density — Electric flux density is electric flux passing through a unit area perpendicular to the direction of the flux.
- 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.
- emd enterprises, inc. — (company) A software development and consulting firm specialising in database and client-server applications.
- emotional correctness — pressure on an individual to be seen to feel the same emotion as others
- empire state building — New York City skyscraper
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- enter into the spirit — If you enter into the spirit of something, you take part in it in an enthusiastic way.
- entrance requirements — the grades in school examinations required for admission to university
- environmental studies — a university course studying the environment and related issues
- epidemic encephalitis — any type of widespread encephalitis caused by various viruses
- 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).
- financial times index — one of the indexes of share prices produced by the Financial Times, especially the Financial Times Stock Exchange 100 Index
- finite state automata — Finite State Machine
- flip someone the bird — give someone the finger (see phrase under finger)
- food conversion ratio — a ratio expressing the weight of food required to produce a unit gain in the live weight of an animal
- foot-in-mouth disease — the habit of making inappropriate, insensitive, or imprudent statements.
- 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.
- foreign correspondent — a correspondent, as for a periodical, assigned to send back articles and news dispatches from a foreign country for publication.
- 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.
- fort lesley j. mcnair — a military reservation in SW Washington, D.C., on the Potomac River, SW of the Capitol.
- framing specification — A specification of the "protocol bits" that surround the "data bits" on a communications channel to allow the data to be "framed" into chunks, like start and stop bits in EIA-232. It allows a receiver to synchronize at points along the data stream.
- franco-belgian system — French system.