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19-letter words containing o, r, d, i, n, e

  • de-militarised zone — (networking)   (DMZ) (From the military term for an area between two opponents where fighting is prevented) DMZ Ethernets connect networks and computers controlled by different bodies. They may be external or internal. External DMZ Ethernets link regional networks with routers to internal networks. Internal DMZ Ethernets link local nodes with routers to the regional networks. Compare red zone.
  • declaration of love — a statement made by one person to another in which they say they are in love with the other person
  • deflate compression — deflate
  • deflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
  • deindustrialisation — Alternative spelling of deindustrialization.
  • deindustrialization — the decline in importance of manufacturing industry in the economy of a nation or area
  • demon internet ltd. — (company)   One of the first company to provide public Internet access in the UK. The staff of Demon Systems Ltd., an established software house, started Demon Internet on 1992-06-01 and it was the first system in the United Kingdom to offer low cost full Internet access. It was started with the support of about 100 founder members who discussed the idea on Compulink Information Exchange, and were brave enough to pay a year's subscription in advance. They aimed to have 200 members in the first year to cover costs, ignoring any time spent. After about two weeks they realised they needed nearer 400. By November 1993 they had over 2000 subscribers and by August 1994 they had about 11000 with 20% per month growth. All revenues have been reinvested in resources and expansion of service. Demon link to Sprintlink in the United States making them totally independent. They peer with EUNet and PIPEX to ensure good connectivity in Great Britain as well as having links to the JANET/JIPS UK academic network. A direct line into the Department of Computing, Imperial College, London from their Central London Point of Presence (PoP) (styx.demon.co.uk) gives access to the biggest FTP and Archie site in Europe. Demon provide local call access to a large proportion of the UK. The central London PoP provides leased line connections at a cheaper rate for those customers in the central 0171 area. Further lines and PoPs are being added continuously. Subscribers get allocated an Internet Address and can choose a hostname within the demon.co.uk domain. They can have any number of e-mail address at that host. In October 1994 Demon confirmed a large contract with the major telecommunications provider Energis. They will supply guaranteed bandwidth to Demon's 10Mb/s backbone from several cities and towns. Several PoPs will be phased out and replaced with others during 1995. E-mail: <[email protected]>. Telephone: +44 (181) 349 0063. Address: Demon Internet Ltd., 42 Hendon Lane, Finchley, London N3 1TT, UK.
  • demonstration model — a nearly new product, such as a car or washing machine, that has been used only to demonstrate its performance by a dealer and is offered for sale at a discount
  • dendrochronological — Pertaining to dendrochronology.
  • dental receptionist — a receptionist working in a dental surgery
  • deoxycorticosterone — a corticosteroid hormone important in maintaining sodium and water balance in the body
  • deoxyribonucleoside — a compound composed of deoxyribose and either a purine or a pyrimidine.
  • deoxyribonucleotide — an ester of a deoxyribonucleoside and phosphoric acid; a constituent of DNA.
  • departmentalisation — Alternative spelling of departmentalization.
  • departmentalization — to divide into departments.
  • dereliction of duty — Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job.
  • detective inspector — a police officer who investigates crime and who ranks above a detective sergeant but below a detective chief inspector
  • devils-on-horseback — a savoury of prunes wrapped in bacon slices and served on toast
  • diamond anniversary — a 60th, or occasionally 75th, anniversary
  • diamond ring effect — a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.
  • diamond-leaf laurel — a tree, Pittosporum rhombifolium, of Australia, having coarsely toothed, oval or diamond-shaped leaves and white flowers, widely planted as an ornamental in the southwestern U.S.
  • dictionary of names — a dictionary of given names that indicates whether a name is usually male, female, or unisex and often includes origins as well as meanings; for example, as by indicating that Evangeline, meaning “good news,” comes from Greek. Used primarily as an aid in selecting a name for a baby, dictionaries of names may also include lists of famous people who have shared a name and information about its current popularity ranking.
  • dielectric constant — Electricity. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum.
  • difference equation — (mathematics)   A relation between consecutive elements of a sequence. The first difference is D u(n) = u(n+1) - u(n) where u(n) is the nth element of sequence u. The second difference is u(n+2) + a u(n+1) + b u(n) = 0 can be converted to a difference equation (in this case, a second order linear difference equation): D2 u(n) + p D u(n) + q u(n) = 0 and vice versa. a, b, p, q are constants.
  • diffraction pattern — the phenomenon exhibited by wave fronts that, passing the edge of an opaque body, are modulated, thereby causing a redistribution of energy within the front: it is detectable in light waves by the presence of a pattern of closely spaced dark and light bands (diffraction pattern) at the edge of a shadow.
  • dig one's own grave — If you say that someone is digging their own grave, you are warning them that they are doing something foolish or dangerous that will cause their own failure.
  • digital electronics — (electronics)   The implementation of two-valued logic using electronic logic gates such as and gates, or gates and flip-flops. In such circuits the logical values true and false are represented by two different voltages, e.g. 0V for false and +5V for true. Similarly, numbers are normally represented in binary using two different voltages to represented zero and one. Digital electronics contrasts with analogue electronics which represents continuously varying quantities like sound pressure using continuously varying voltages. Digital electronics is the foundation of modern computers and digital communications. Massively complex digital logic circuits with millions of gates can now be built onto a single integrated circuit such as a microprocessor and these circuits can perform millions of operations per second.
  • dihydrostreptomycin — an antibiotic, C 21 H 41 N 7 O 12 , derived by organic synthesis from and believed to be less toxic than streptomycin: used in the form of its sulfate chiefly in the treatment of tuberculosis.
  • dihydrotestosterone — (steroid) An androgenic metabolite of testosterone; used to treat certain breast cancers.
  • dimethylnitrosamine — a yellow, water-soluble carcinogenic liquid, C 2 H 6 N 2 O, found in tobacco smoke and certain foods: known to be a potent carcinogen. Abbreviation: DMN, DMNA.
  • dimetric projection — a type of axonometric projection in which the object is shown with two of its three principal axes tilted equally from the plane of viewing
  • direct grant school — (in Britain, formerly) a school financed by endowment, fees, and a state grant conditional upon admittance of a percentage of nonpaying pupils nominated by the local education authority
  • direct-vision prism — Amici prism.
  • direction indicator — aerial used in wireless communication
  • directional coupler — (communications)   (tap) A passive device used in cable systems to divide and combine radio frequency signals. A directional coupler has at least three ports: line in, line out, and the tap. The signal passes between line in and line out ports with loss referred to as the insertion loss. A small portion of the signal power applied to the line in port passes to the tap port. A signal applied to the tap port is passed to the line in port less the tap attenuation value. The tap signals are isolated from the line out port to prevent reflections. A signal applied to the line out port passes to the line in port and is isolated from the tap port. Some devices provide more than one tap output line (multi-taps).
  • directory enquiries — Directory enquiries is a service which you can telephone to find out someone's telephone number.
  • discretionary trust — a trust in which the beneficiaries' shares are not fixed in the trust deed but are left to the discretion of other persons, often the trustees
  • discriminated union — (theory)   The discriminated union of two sets A and B is A + B = {(inA, a) | a in A} U {(inB, b)| b in B} where inA and inB are arbitrary tags which specify which summand an element originates from. A type (especially an algebraic data type) might be described as a discriminated union if it is a sum type whose objects consist of a tag to say which part of the union they belong to and a value of the corresponding type.
  • disjunctive pronoun — an inflection of pronouns in some languages that is used alone or after a preposition, such as moi in French
  • dispersion relation — the relationship between the angular frequency (ω;) of a wave and the magnitude of its wave vector (k). Thus the wave's speed is ω/k
  • distribution system — The distribution system is the part of an electric system after the transmission system that is dedicated to delivering electric energy to an end user.
  • diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
  • doctrine of descent — the theory that animals and plants arose by descent from previously existing organisms; theory of evolution
  • domain architecture — (systems analysis)   A generic, organisational structure or design for software systems in a domain. The domain architecture contains the designs that are intended to satisfy requirements specified in the domain model. A domain architecture can be adapted to create designs for software systems within a domain and also provides a framework for configuring assets within individual software systems.
  • dominance hierarchy — a system or set of relationships in animal groups that is based on a hierarchical ranking, usually established and maintained by behavior in aggressive encounters: one or a few members hold the highest rank and the others are submissive to those ranking higher and dominant to those ranking lower.
  • double counterpoint — invertible counterpoint using two transposable voices.
  • draw in one's horns — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
  • draw someone's fire — to attract the criticism or censure of someone
  • draw the color line — to impose or accept the color line
  • draw the curtain on — to end
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