23-letter words containing a, f, e, r, d
- ada software repository — (language) A collection of Ada programs?
- affiliation proceedings — (formerly) legal proceedings, usually initiated by an unmarried mother, claiming legal recognition that a particular man is the father of her child, often associated with a claim for financial support
- allowance for bad debts — Allowance for bad debt is a provision made in a company's accounts which recognizes that some debts will not be able to be collected.
- arthur jeffrey dempster — Arthur Jeffrey, 1886–1950, U.S. physicist.
- as far as one can judge — If you say that something is true as far as you can judge or so far as you can judge, you are assuming that it is true, although you do not know all the facts about it.
- bachelor of arts degree — a degree conferred on a person who has successfully completed his or her undergraduate studies, usually in a branch of the liberal arts or humanities
- bird-meertens formalism — (theory, programming) (BMF) (Or "Squiggol") A calculus for derivation of functional programs from a specification. It consists of a set of higher-order functions that operate on lists including map, fold, scan, filter, inits, tails, cross product and function composition.
- bird-of-paradise flower — any of various banana-like plants of the genus Strelitzia, esp S. reginae, that are native to tropical southern Africa and South America and have purple bracts and large orange or yellow flowers resembling birds' heads: family Strelitziaceae
- catch someone off guard — If someone catches you off guard, they surprise you by doing something you do not expect. If something catches you off guard, it surprises you by happening when you are not expecting it.
- catherine of alexandria — Saint, a.d. c310, Christian martyr.
- chief education officer — an official who is the chief administrative officer of a Local Education Authority
- corridor of uncertainty — an area of a wicket just outside a batsman's off stump, so located that the batsman will have difficulty in deciding whether or not to play a ball bowled into it
- credit-reference agency — an agency, other than a bank, that specializes in providing credit ratings of people or organizations
- dark-field illumination — illumination of the field of a microscope from the side so that the specimen is viewed against a dark background
- department of education — the department of the U.S. federal government that administers federal programs dealing with education: created in 1979, largely by transfer from part of the former Department of Health, Education, and Welfare. Abbreviation: ED.
- dichlorodifluoromethane — a colourless nonflammable gas easily liquefied by pressure: used as a propellant in aerosols and fire extinguishers and as a refrigerant. Formula: CCl2F2
- differentiable manifold — a manifold having the property that any two overlapping open sets are homeomorphic to locally Euclidean spaces whose coordinates are related by differentiable functions, a property with wide applications in mathematical physics and differential geometry.
- differential compaction — differences in the extent to which sediment is compacted owing to topographic irregularities of the surface on which it is deposited.
- differential psychology — the branch of psychology dealing with the study of characteristic differences or variations of groups or individuals, especially through the use of analytic techniques and statistical methods.
- differential weathering — the difference in degree of discoloration, disintegration, etc., of rocks of different kinds exposed to the same environment.
- dionysius of alexandria — ("the Great") a.d. c190–265, patriarch of Alexandria 247?–265?.
- director of photography — the person who is responsible for all operations concerning camera work and lighting during the production of a film.
- disjunctive normal form — (DNF) A logical formula consisting of a disjunction of conjunctions where no conjunction contains a disjunction. E.g. the DNF of (A or B) and C is (A and C) or (B and C).
- dissociate oneself from — to deny or repudiate any connection with
- drawing exchange format — (DXF) A file format for graphical information, similar to IGES. Commonly used by CAD systems like AutoCAD.
- drummond of hawthornden — William. 1585–1649, Scottish poet, historian, and royalist pamphleteer
- earliest deadline first — (operating system, algorithm) (EDF) A strategy for CPU or disk access scheduling. With EDF, the task with the earliest deadline is always executed first.
- earthquake-proof design — Earthquake-proof design is design which will not be badly damaged by earthquakes or tsunamis.
- eating your own dogfood — eating one's own dogfood
- embden-meyerhof pathway — the metabolic reaction sequence in glycolysis by which glucose is converted to pyruvic acid with production of ATP
- fear-driven development — (jargon, humour) When project management adds more pressure (fires someone or something). A play on test-driven development.
- fendalton shopping cart — a four-wheel drive recreational vehicle
- field effect transistor — a transistor in which the output current is varied by varying the value of an electric field within a region of the device. Abbreviation: FET.
- field-effect transistor — a transistor in which the output current is varied by varying the value of an electric field within a region of the device. Abbreviation: FET.
- fifth marquis lansdowne — Henry Charles Keith, 5th Marquis of Lansdowne, Lansdowne, 5th Marquis of.
- firing on all cylinders — working or performing at full capability
- first earl of strafford — Thomas, 1st Earl of Strafford, Strafford, 1st Earl of.
- fish in troubled waters — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- five-and-ten-cent store — a store that sells a wide variety of inexpensive merchandise, orig. with many articles priced at five or ten cents
- forewarned is forearmed — If you say 'Forewarned is forearmed', you are saying that if you know about a problem or situation in advance, you will be able to deal with it when you need to.
- forward exchange market — a market for contracts that specify the exchange rate of a currency to be delivered at a later date
- free on-line dictionary — Free On-line Dictionary of Computing
- friction reducing agent — A friction reducing agent is an additive used to reduce friction exerted downhole on tools and pipes.
- friedel-crafts reaction — a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
- front-end hydrogenation — Front-end hydrogenation is a catalytic process in the early stages of refining which involves the reaction of the carbon-carbon double bond in alkenes with hydrogen.
- frozen food compartment — a compartment of a refrigerator or fridge-freezer for the storage of frozen food
- fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
- great-great-grandfather — grandfather of a grandparent
- greater spotted dogfish — a cat shark found in the Northeast Atlantic, Scyliorhinus stellaris
- hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
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