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15-letter words containing a, n, u, d

  • distinguishably — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
  • dithionous acid — an unstable dibasic acid known only in solution and in the form of dithionite salts. It is a powerful reducing agent. Formula: H2S2O4
  • divide and rule — You use divide and rule to refer to a policy which is intended to keep someone in a position of power by causing disagreements between people who might otherwise unite against them.
  • do an injustice — If you say that someone has done you an injustice, you mean that they have been unfair in the way that they have judged you or treated you.
  • do your head in — If something or someone does your head in, they make you angry or frustrated.
  • document reader — a device that reads and inputs into a computer marks and characters on a special form, as by optical or magnetic character recognition
  • documentational — the use of documentary evidence.
  • domain calculus — (database)   A form of relational calculus in which scalar variables take values drawn from a given domain. Examples of the domain calculus are ILL, FQL, DEDUCE and the well known Query By Example (QBE). INGRES is a relational DBMS whose DML is based on the relational calculus.
  • domain maturity — (systems analysis)   The level of stability and depth of understanding that has been achieved in an area for which applications are developed.
  • domain squatter — (web)   An unscrupulous person who registers a domain name in the hope of selling it to the rightful, expected owner at a profit. E.g. http://foldoc.com/.
  • domitae naturae — (of animals) tamed or domesticated (distinguished from ferae naturae).
  • dose equivalent — a unit that quantifies the biological effectiveness of an absorbed dose of ionizing radiation, obtained by multiplying the absorbed dose by dimensionless factors that account for the kind of radiation, its energy, and the nature of the absorber: measured in Sievert or rem.
  • double in brass — twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
  • double integral — an integral in which the integrand involves a function of two variables and that requires two applications of the integration process to evaluate.
  • double negation — the principle that a statement is equivalent to the denial of its negation, as it is not the case that John is not here meaning John is here
  • double negative — a syntactic construction in which two negative words are used in the same clause to express a single negation.
  • double saucepan — a cooking utensil consisting of two saucepans, one fitting inside the other. The bottom saucepan contains water that, while boiling, gently heats food in the upper pan
  • double standard — any code or set of principles containing different provisions for one group of people than for another, especially an unwritten code of sexual behavior permitting men more freedom than women. Compare single standard (def 1).
  • doublet pattern — a pattern, as on a fabric, in which a figure or group is duplicated in reverse order on the opposite side of a centerline.
  • doubting thomas — a person who refuses to believe without proof; skeptic. John 20:24–29.
  • dougherty wagon — a horse- or mule-drawn passenger wagon having doors on the side, transverse seats, and canvas sides that can be rolled down.
  • draughtproofing — Present participle of draughtproof.
  • draughtsmanship — (British) alternative spelling of draftsmanship.
  • draw oneself up — to assume a straighter posture; stand or sit straight
  • drawing account — an account used by a partner or employee for cash withdrawals.
  • dual admissions — a system whereby students attaining less good marks than what is required are offered a place provided they successfully complete another course first to improve some aspect of their work
  • dumbbell nebula — the planetary nebula in the constellation Vulpecula, which in photographs appears to have the shape of a dumbbell.
  • dutchman's-pipe — a climbing vine, Aristolochia durior, of the birthwort family, having large, heart-shaped leaves and brownish-purple flowers of a curved form suggesting a tobacco pipe.
  • dynamic routing — (networking)   (Or "adaptive routing") Routing that adjusts automatically to network topology or traffic changes.
  • dysfunctionally — not performing normally, as an organ or structure of the body; malfunctioning.
  • eastern sudanic — a group of languages belonging to the Nilo-Saharan family, spoken in eastern and central Africa and including the Nilotic languages.
  • echinodermatous — belonging or pertaining to the echinoderms.
  • edmund randolph — A(sa) Philip, 1889–1979, U.S. labor leader: president of the Brotherhood of Sleeping Car Porters 1925–68.
  • elastic rebound — a theory of earthquakes that envisages gradual deformation of the fault zone without fault slippage until friction is overcome, when the fault suddenly slips to produce the earthquake
  • embalming fluid — a liquid used to treat a dead body, which contains preservatives to retard putrefaction
  • enumerated type — (programming)   (Or "enumeration") A type which includes in its definition an exhaustive list of possible values for variables of that type. Common examples include Boolean, which takes values from the list [true, false], and day-of-week which takes values [Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday]. Enumerated types are a feature of strongly typed languages, including C and Ada. Characters, (fixed-size) integers and even floating-point types could be (but are not usually) considered to be (large) enumerated types.
  • epsilon squared — (jargon)   A quantity even smaller than epsilon, as small in comparison to epsilon as epsilon is to something normal; completely negligible. If you buy a supercomputer for a million dollars, the cost of the thousand-dollar terminal to go with it is epsilon, and the cost of the ten-dollar cable to connect them is epsilon squared. Compare lost in the underflow, lost in the noise.
  • fair and square — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
  • field ambulance — a mobile medical unit that accepts casualties from forward units, treating the lightly wounded and stabilizing the condition of the seriously wounded before evacuating them to a hospital
  • flannel-mouthed — speaking thickly, as if one's mouth were full of flannel
  • flavourdynamics — as in quantum flavour dynamics, a mathematical model used to describe the interaction of flavoured particles (weak force) through the exchange of intermediate vector bosons
  • flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
  • florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
  • fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter.
  • fluoridationist — One who supports the addition of fluoride to the public water supply.
  • fluorine dating — a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
  • flying dutchman — a legendary Dutch ghost ship supposed to be seen at sea, especially near the Cape of Good Hope.
  • football ground — an area of land where football games are played
  • formation fluid — Formation fluid is fluid in the pores (=tiny holes) of a rock.
  • foundationalism — (epistemology) The doctrine that beliefs derive justification from certain basic beliefs.
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