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21-letter words containing d, i, a, t

  • dynamic data exchange — (language)   (DDE, originally Dynamic Data Linking, DDL) A Microsoft Windows 3 hotlink protocol that allows application programs to communicate using a client-server model. Whenever the server (or "publisher") modifies part of a document which is being shared via DDE, one or more clients ("subscribers") are informed and include the modification in the copy of the data on which they are working.
  • easier said than done — difficult to do
  • eastern daylight time — a time zone applicable to many eastern areas of the United States during the summer months, being a daylight-saving variant of Eastern Standard Time
  • eastern standard time — See under standard time.
  • eccles-jordan circuit — flip-flop
  • educational sociology — the application of sociological principles and methods to the solution of problems in an educational system.
  • electric displacement — the electric flux density when an electric field exists in free space into which a dielectric is introduced
  • electromagnetic field — a field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation
  • empire state building — New York City skyscraper
  • endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
  • enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
  • environmental studies — a university course studying the environment and related issues
  • epidemic encephalitis — any type of widespread encephalitis caused by various viruses
  • extended architecture — (storage)   (XA) A CD-ROM drive specification required by Green Book CD-ROM and White Book CD-ROM formats. Drives labelled "XA ready" may require a firmware upgrade.
  • extensible vax editor — (text, tool)   (EVE) A DEC product implemented using DEC's Text Processing Utility (TPU).
  • faculty board meeting — a meeting of the governing body of a faculty
  • ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
  • financial times index — one of the indexes of share prices produced by the Financial Times, especially the Financial Times Stock Exchange 100 Index
  • financial underwriter — A financial underwriter is an insurance employee working in financial underwriting.
  • first-dollar coverage — insurance that provides payment for the full loss up to the insured amount with no deductibles.
  • first-round financing — First round financing is the first time a new company raises money from investors.
  • flat-coated retriever — one of an English breed of large sporting dogs having a flat, dense, shiny black or liver-colored coat, small ears, and long jaws, used for retrieving game from both water and land.
  • food conversion ratio — a ratio expressing the weight of food required to produce a unit gain in the live weight of an animal
  • foot-in-mouth disease — the habit of making inappropriate, insensitive, or imprudent statements.
  • forward compatibility — (jargon)   The ability to accept input from later versions of itself. Forward compatibility is harder to achieve than backward compatibility, since, in the backward case, the input format is know whereas a forward compatible system needs to cope gracefully with unknown future features. An example of future compatibility is the stipulation that a web browser should ignore HTML tags it does not recognise. See also extensible.
  • fragmentation grenade — a grenade with a heavy metal casing that shatters, on exploding, into fragments that travel at high speed and with great force.
  • fraudulent conversion — conversion committed with the intent to defraud
  • french fried potatoes — a more formal name for chips
  • full faith and credit — the obligation under Article IV of the U.S. Constitution for each state to recognize the public acts, records, and judicial proceedings of every other state.
  • functional dependency — (database)   Given a relation R (in a relational database), attribute Y of R is functionally dependent on attribute X of R and X of R functionally determines Y of R (in symbols R.X -> R.Y) if and only if each X in R has associated with it precisely one Y in R (at any one time). Attributes X and Y may be composite. This is very close to a function in the mathematical sense.
  • garbageabetical order — (humour)   1. The result of using an insertion sort to merge data into an unsorted list. 2. The state of any file or list that is supposed to be sorted, but is not.
  • gaussian distribution — normal distribution
  • gender disappointment — a feeling of depression or anxiety experienced by an expectant parent when the gender of the baby does not match his or her preference
  • gideons international — an interdenominational lay society organized in 1899 to place Bibles in hotel rooms.
  • give a horse its head — to allow a horse to gallop by lengthening the reins
  • give sb the runaround — If someone gives you the runaround, they deliberately do not give you all the information or help that you want, and send you to another person or place to get it.
  • gold bullion standard — a gold standard in which gold is not coined but may be purchased at a fixed price for foreign exchange.
  • great victoria desert — a desert in SW central Australia. 125,000 sq. mi. (324,000 sq. km).
  • greater sunda islands — a group of islands in the W Malay Archipelago, forming the larger part of the Sunda Islands: consists of Borneo, Sumatra, Java, and Sulawesi
  • ground-effect machine — ACV (def 2).
  • guaranteed scheduling — (algorithm)   A scheduling algorithm used in multitasking operating systems that guarantees fairness by monitoring the amount of CPU time spent by each user and allocating resources accordingly.
  • have one's hands tied — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
  • have the inside track — If you say that someone has the inside track, you mean that they have an advantage, for example special knowledge about something.
  • hierarchical database — (database)   A kind of database management system that links records together like a family tree such that each record type has only one owner, e.g. an order is owned by only one customer. Hierarchical structures were widely used in the first mainframe database management systems. However, due to their restrictions, they often cannot be used to relate structures that exist in the real world.
  • host command facility — (operating system)   (HCF) Used to access IBM S/36 and AS/400 computers from a mainframe.
  • hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
  • i don't know how/what — You use I don't know in expressions which indicate criticism of someone's behaviour. For example, if you say that you do not know how someone can do something, you mean that you cannot understand or accept them doing it.
  • identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
  • identification papers — documents that serve to establish someone's identity
  • identification parade — a group of persons including one suspected of having committed a crime assembled for the purpose of discovering whether a witness can identify the suspect
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