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22-letter words containing e, t, c

  • diethylbarbituric acid — barbital
  • digital control system — (systems)   (DCS) A digital computer used for real-time control of a dynamic system, usually in an industrial environment, possibly as part of a Supervisory Control and Data Acquisition (SCADA) system. A DCS samples feedback from the system under control and modifies the control signals in an attempt to achieve some desired behaviour. Analysis of such digital-analogue feedback systems can involve mathematical methods such as difference equations, Laplace transforms, z transfer functions, state space models and state transition matrices.
  • digital versatile disc — (storage)   (DVD, formerly "Digital Video Disc") An optical storage medium with improved capacity and bandwidth compared with the Compact Disc. DVD, like CD, was initally marketed for entertainment and later for computer users. [When was it first available?] A DVD can hold a full-length film with up to 133 minutes of high quality video, in MPEG-2 format, and audio. The first DVD drives for computers were read-only drives ("DVD-ROM"). These can store 4.7 GBytes - over seven times the storage capacity of CD-ROM. DVD-ROM drives read existing CD-ROMs and music CDs and are compatible with installed sound and video boards. Additionally, the DVD-ROM drive can read DVD films and modern computers can decode them in software in real-time. The DVD video standard was announced in November 1995. Matshusita did much of the early development but Philips made the first DVD player, which appeared in Japan in November 1996. In May 2004, Sony released the first dual-layer drive, which increased the disc capacity to 8.5 GB. Double-sided, dual-layer discs will eventually increase the capacity to 17 GB. Write-once DVD-R ("recordable") drives record a 3.9GB DVD-R disc that can be read on a DVD-ROM drive. Pioneer released the first DVD-R drive on 1997-09-29. By March 1997, Hitachi had released a rewritable DVD-RAM drive (by false analogy with random-access memory). DVD-RAM drives read and write to a 2.6 GB DVD-RAM disc, read and write-once to a 3.9GB DVD-R disc, and read a 4.7 GB or 8.5 GB DVD-ROM. Later, DVD-RAM discs could be read on DVD-R and DVD-ROM drives.
  • digital video recorder — See DVR.
  • dilation and curettage — a surgical method for the removal of diseased tissue or an early embryo from the lining of the uterus by means of scraping.
  • direct public offering — A direct public offering is stock offered directly for sale to investors by a company without the use of underwriters or brokers.
  • directed acyclic graph — (DAG) A directed graph containing no cycles. This means that if there is a route from node A to node B then there is no way back.
  • directed-energy device — beam weapon.
  • directional derivative — the limit, as a function of several variables moving along a given line from one specified point to another on the line, of the difference in the functional values at the two points divided by the distance between the points.
  • directional microphone — a microphone that has a greater sensitivity to sounds coming from a particular area in front of it: used to eliminate unwanted sounds.
  • director of admissions — a member of a university staff who is in overall charge of admissions to the university and its courses
  • directory system agent — (DSA) The software that provides the X.500 Directory Service for a portion of the directory information base. Generally, each DSA is responsible for the directory information for a single organisation or organisational unit.
  • disciplinary committee — a committee charged with examining alleged breaches of discipline within an organization, profession, etc and adjudicating on them
  • distributed processing — a system consisting of a network of microcomputers performing certain functions and linked with a main computer used for more complex tasks
  • distributive education — a special program of vocational education at the high-school level in which a student is employed part-time, receiving on-the-job training, and also attends classes, most of which pertain directly to the student's vocational field.
  • dominant seventh chord — a chord consisting of the dominant and the major third, perfect fifth, and minor seventh above it. Its most natural resolution is to a chord on the tonic
  • don't mind him/her etc — You use don't mind in expressions such as don't mind him or don't mind them to apologize for someone else's behaviour when you think it might have offended the person you are speaking to.
  • double blackwall hitch — a kind of knot
  • drumhead court-martial — a court-martial held, usually on a battlefield, for the summary trial of charges of offenses committed during military operations.
  • dyadic systems limited — Dyalog Limited
  • earth inductor compass — a compass actuated by induction from the earth's magnetic field.
  • east african community — an association established in 1967 by Kenya, Uganda, and Tanzania to promote closer economic and social ties between member states: dissolved in 1977, but reformed in 1999, and joined in 2007 by Burundi and Rwanda
  • east australia current — the part of the South Equatorial Current flowing S along the E coast of Australia.
  • east greenland current — a cold ocean current of low salinity flowing south along the east coast of Greenland.
  • ecclesiastical society — (in Congregational churches) a legal corporation with power to sue and be sued and to administer all of the temporalities of the church.
  • ectotrophic mycorrhiza — a type of mycorrhiza, typical of temperate and Boreal trees, in which the fungus forms a layer on the outside of the roots of the plant
  • educational psychology — a branch of psychology concerned with developing effective educational techniques and dealing with psychological problems in schools.
  • educational technology — the use of technology, such as computers, within education, to aid the learning process
  • educational television — television of informational or instructional content.
  • electrical engineering — Electrical engineering is the designing, constructing, and maintenance of electrical devices.
  • electroencephalographs — Plural form of electroencephalograph.
  • electroencephalography — The measurement of electrical activity in different parts of the brain and the recording of such activity as a visual trace (on paper or on an oscilloscope screen).
  • electrolytic capacitor — An electrolytic capacitor is an electrical capacitor with an electrolyte between the two plates.
  • electromagnetic moment — a measure of the magnetic strength of a magnet or current-carrying coil, expressed as the torque produced when the magnet or coil is set with its axis perpendicular to unit magnetic flux density. It is measured in ampere metres squared
  • electronic mail client — mail user agent
  • electrophysiologically — In an electrophysiological way.
  • electrothermal printer — a printer that produces characters by burning the image on specially coated paper
  • emotional intelligence — empathy and social skills
  • employers' association — a body of employers, usually from the same sector of the economy, associated to further the interests of member companies by conducting negotiations with trade unions, providing advice, making representations to other bodies, etc
  • enchanter's nightshade — any of several onagraceous plants of the genus Circaea, esp C. lutetiana, having small white flowers and bristly fruits
  • end transmission block — (character)   (ETB) The mnemonic for ASCII character 23.
  • endotrophic mycorrhiza — the most widespread and common type of mycorrhiza, in which the fungus lives within the cells of the roots of the plant
  • engineering consultant — a consultant specializing in engineering
  • enhanced parallel port — (hardware)   (EPP) A parallel port that confirms to the IEEE's EPP standard. An EPP is actually an expansion bus that can handle 64 disk drives and other peripherals.
  • every now and then etc — You use every in the expressions every now and then, every now and again, every once in a while, and every so often in order to indicate that something happens occasionally.
  • experimental condition — one of the distinct states of affairs or values of the independent variable for which the dependent variable is measured in order to carry out statistical tests or calculations
  • facsimile transmission — an international system of transmitting a written, printed, or pictorial document over the telephone system by scanning it photoelectrically and reproducing the image after transmission
  • federal district court — district court (def 2).
  • fermi-dirac statistics — the branch of quantum statistics used to calculate the permitted energy arrangements of the particles in a system in terms of the exclusion principle
  • fetal alcohol syndrome — a pattern of birth defects caused by maternal consumption of alcohol during pregnancy: considered as one of the fetal alcohol spectrum disorders. Abbreviation: FAS.
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