20-letter words containing a, d, i, n, t
- double fertilization — the fertilization process characteristic of flowering plants, in which one sperm cell of a pollen grain fertilizes an egg cell while a second fuses with two polar nuclei to produce a triploid body that gives rise to the endosperm.
- dynamic data linking — Dynamic Data Exchange
- education department — the department of a local authority that is concerned with education, or the government department concerned with education
- educational quotient — a numerical measure of an educational system's effectiveness, based on standardized test scores, graduation rate, and other factors.
- 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.
- elementary education — the first six to eight years of a child's education
- endorsement in blank — an endorsement on a bill of exchange, cheque, etc, naming no payee and thus making the endorsed sum payable to the bearer
- epidural anaesthesia — numbing injection in the spine
- equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
- essential amino acid — an amino acid that cannot be synthesized in the body and is thus an essential component of the diet
- essential fatty acid — any fatty acid required by the body in manufacturing prostaglandins, found in such foods as oily fish and nuts
- estrela mountain dog — a sturdy well-built dog of a Portuguese breed with a long thick coat and a thick tuft of hair round the neck, often used as a guard dog
- explication de texte — a close textual analysis of a literary work
- factor of production — any instrument, agent, etc., employed in the production of goods and services.
- fair-trade agreement — an agreement or contract between a manufacturer and a retailer to sell a branded or trademarked product at no less than a specific price: legally prohibited after 1975.
- federal constitution — Constitution of the United States.
- federation of malaya — a federation of the nine Malay States of the Malay Peninsula and two of the Straits Settlements (Malacca and Penang): formed in 1948: became part of the British Commonwealth in 1957 and joined Malaysia in 1963
- fight tooth and nail — fight fiercely
- fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
- fixed action pattern — a highly stereotyped pattern of behavior that is characteristic of a particular species.
- fixed penalty (fine) — a fine of a fixed amount of money for a particular offence
- fixed-price contract — a contract in which the price is preset and invariable, regardless of the actual costs of production.
- fixed-rate financing — a loan system in which the amount paid back does not fluctuate according to interest rated
- for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
- forbidden transition — an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules
- fore-and-aft topsail — gaff topsail (def 1).
- frequency modulation — FM.
- fridtjof nansen land — Franz Josef Land.
- friends of the earth — an organization of environmentalists and conservationists whose aim is to promote the sustainable use of the earth's resources
- front-end volatility — Front-end volatility is the ability of the fractions with lower boiling points, such as butane, to evaporate at normal temperatures.
- fulminating compound — a fulminate.
- fundamental particle — elementary particle.
- gastroduodenostomies — Plural form of gastroduodenostomy.
- genetically modified — biologically altered
- grand right and left — a figure called in square dancing in which partners face each other, forming a small circle, and then advance around the circle by extending alternating right and left hands to pull past each new person until they reach their partners again.
- grand unified theory — a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. Abbreviation: GUT.
- gravitational radius — Schwarzschild radius.
- great dividing range — a mountain range extending along the E coast of Australia: vast watershed region. 100 to 200 miles (160–320 km) wide.
- great northern diver — a large northern bird, Gavia immer, with a black-and-white chequered back and a black head and neck in summer: family Gaviidae (divers)
- guided visualization — a relaxation technique in which words, sounds, etc., are used to evoke positive mental images, feelings, and thoughts.
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- hawaii-standard-time — Alaska-Hawaii time.
- heat of condensation — the heat liberated by a unit mass of gas at its boiling point as it condenses to a liquid: equal to the heat of vaporization.
- helmeted guinea fowl — the common guinea fowl in its wild state.
- heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
- hexadecimal notation — a number system having a base 16; the symbols for the numbers 0–9 are the same as those used in the decimal system, and the numbers 10–15 are usually represented by the letters A–F. The system is used as a convenient way of representing the internal binary code of a computer
- hit-and-run accident — a motor-vehicle accident in which the driver leaves the scene without stopping to give assistance, inform the police, etc
- horizontal microcode — (processor) Microcode using horizontal encoding.