20-letter words containing n, i, p, o, e
- diophantine equation — an equation involving more than one variable in which the coefficients of the variables are integers and for which integral solutions are sought.
- diphenylene diketone — a compound used in dye manufacture
- dispersion hardening — the strengthening of an alloy as a result of the presence of fine particles in the lattice
- displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
- disproportionateness — The state or quality of being disproportionate or out of proportion.
- double decomposition — a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO 3 + NaCl → AgCl + NaNO 3 .
- eastern roman empire — the eastern of the two empires created by the division of the Roman Empire in 395 ad
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- education department — the department of a local authority that is concerned with education, or the government department concerned with education
- eight queens problem — eight queens puzzle
- 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
- electronic footprint — data that identifies a computer that has connected to a particular website
- elephant in the room — an obvious truth deliberately ignored by all parties in a situation
- employee association — an organization, other than a trade union, whose members comprise employees of a single employing organization. The aims of the association may be social, recreational, or professional
- environmental impact — the impact on the environment created by an industry, service, plan, or project
- epitaxial transistor — a transistor made by depositing a thin pure layer of semiconductor material (epitaxial layer) onto a crystalline support by epitaxy. The layer acts as one of the electrode regions, usually the collector
- equalization payment — a financial grant made by the federal government to a poorer province in order to facilitate a level of services equal to that of a richer province
- equity of redemption — the right that a mortgager has in equity to redeem his property on payment of the sum owing, even though the sum is overdue
- equity-linked policy — an insurance or assurance policy in which premiums are invested partially or wholly in ordinary shares for the eventual benefit of the beneficiaries of the policy
- essential complexity — (programming) A measure of the "structuredness" of a program.
- 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
- evening primrose oil — an oil, obtained from the seeds of the evening primrose, that is claimed to stimulate the production of prostaglandins
- explication de texte — a close textual analysis of a literary work
- external respiration — exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
- 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.
- field ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- field-ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- first point of aries — the vernal equinox.
- first-person shooter — a type of video game in which the player assumes the field of vision of the protagonist, so that the game camera includes the character's weapon, but the rest of the character model is not seen. Abbreviation: FPS.
- 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.
- flame-fusion process — Verneuil process.
- fore-and-aft topsail — gaff topsail (def 1).
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- general postal union — former name of Universal Postal Union. Abbreviation: GPU.
- general practitioner — a medical practitioner whose practice is not limited to any specific branch of medicine or class of diseases. Abbreviation: G.P.
- generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- good neighbor policy — a diplomatic policy of the U.S., first presented in 1933 by President Franklin Roosevelt, for the encouragement of friendly relations and mutual defense among the nations of the Western Hemisphere.
- 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)
- group code recording — (storage) (GCR) A recording method used for 6250 BPI magnetic tapes. GCR typically uses a group of five bits of code to represent four bits of data. The encoding ensures no more than two or three zeros occur in a row, and no more than eight or so ones occur in a row, where zeros represent an absense of magnetic change. GCR is also used on Commodore Business Machines diskette drives; the 4040, 8050, 154x, 157x and 158x series of 5.25" and 3.5" low and high density diskette drives used with 8-bit home computers circa 1977 to 1992. It was also supported on Amiga internal and external drives but only used for reading non-Amiga disks. Compare NRZI, PE.
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- group representation — representation in a governing body on the basis of interests rather than by geographical location.
- hang up one's spikes — to retire, as from a professional sport
- harmonic progression — a series of numbers the reciprocals of which are in arithmetic progression.
- have had one's chips — to be defeated, condemned to die, killed, etc
- he's no oil painting — he is not good-looking
- heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
- 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.
- hit the panic button — an alarm button for use in an emergency, as to summon help.