20-letter words containing d, e, a, c, o
- fast-breeder reactor — a breeder reactor in which there is no moderator and fission is caused by high-energy neutrons.
- federal constitution — Constitution of the United States.
- file descriptor leak — (programming) (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
- financial aid office — an office at a US university that assesses students' financial needs and, if appropriate, offers them financial aid
- 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.
- flight data recorder — a recording device that records relevant data during an aircraft's flight
- for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
- force someone's hand — to force someone to act
- force-field analysis — a decision-making technique, often presented graphically, that identifies all the positive and negative forces impinging on a problem
- frederick barbarossa — ("Frederick Barbarossa") 1123?–90, king of Germany 1152–90; king of Italy 1152–90: emperor of the Holy Roman Empire 1152–90.
- frequency modulation — FM.
- fundamental constant — a physical constant, such as the gravitational constant or speed of light, that plays a fundamental role in physics and chemistry and usually has an accurately known value
- garcilaso de la vega — 1503?–36, Spanish poet.
- genetically modified — biologically altered
- grade school teacher — a teacher in a grade school
- grey-crowned babbler — an insect-eating Australian bird, Pomatostomus temporalis of the family Timaliidae
- guarded horn clauses — (language) (GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism. See also FGHC, KL1.
- have had one's chips — to be defeated, condemned to die, killed, etc
- 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.
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- 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
- horizontal microcode — (processor) Microcode using horizontal encoding.
- hot under the collar — the part of a shirt, coat, dress, blouse, etc., that encompasses the neckline of the garment and is sewn permanently to it, often so as to fold or roll over.
- household appliances — devices or machines, usually electrical, that are in your home and which you use to do jobs such as cleaning or cooking
- hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
- hyperadrenocorticism — Cushing's syndrome.
- imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
- in flagrante delicto — Law. in the very act of committing the offense.
- in the public domain — able to be discussed and examined freely by the general public
- in-service education — training and education given to employed teachers throughout their career
- incomplete dominance — the appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotypes.
- incorporated company — a legally constituted company
- incremental recorder — a device for recording data as it is generated, usually on paper tape or magnetic tape, and feeding it into a computer
- independence of path — the property of a function for which the line integral has the same value along all curves between two specified points.
- indian cucumber root — a North American plant, Medeola virginiana, of the lily family, having whorled leaves, nodding, greenish-yellow flowers, and an edible root.
- indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
- intermediate section — The intermediate section is the section of the borehole after the top hole, which has more consolidated rock.
- international candle — candle (def 3b).
- into/in cold storage — If you put an idea or plan into cold storage or in cold storage, you delay it for a while rather than acting on it as you originally intended.
- jacopo della quercia — Jacopo Della [yah-kaw-paw del-lah] /ˈyɑ kɔ pɔ ˌdɛl lɑ/ (Show IPA), 1374?–1438, Italian sculptor.
- jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
- judicial proceedings — any action involving or carried out by a court of law
- juno and the paycock — a play (1924) by Sean O'Casey.
- justifiable homicide — murder committed under extenuating circumstances
- labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
- land-office business — a lively, booming, expanding, or very profitable business.