17-letter words containing d, u, l
- digital audiotape — a cassette containing magnetic tape used for high-fidelity digital recording or playback of audio. Abbreviation: DAT.
- digital signature — an encrypted digital code appended to an electronic document to verify that it was created by a known source and has not been altered.
- dimethylsulfoxide — DMSO.
- disability clause — a clause in a life-insurance policy providing for waiver of premium and sometimes payment of monthly income if the policyholder becomes totally and permanently disabled.
- disadvantageously — In a disadvantageous manner.
- dishonourableness — Alternative spelling of dishonorableness.
- displacement hull — a hull that displaces a significant volume of water when under way.
- disqualifications — Plural form of disqualification.
- disrespectfulness — The state or quality of being disrespectful; disrespect; disregard.
- distributed logic — a computer system in which remote terminals and electronic devices, distributed throughout the system, supplement the main computer by doing some of the computing or decision making
- distribution line — A distribution line is a line or system for distributing power from a transmission system to a consumer that operates at less than 69,000 volts.
- dobell's solution — a clear, yellowish, aqueous solution of sodium borate, sodium bicarbonate, phenol, and glycerol, used chiefly as an antiseptic and astringent for the nose and throat.
- double gloucester — a type of smooth orange-red cheese of mild flavour
- double insulation — Double insulation is insulation that consists of both basic insulation and supplementary insulation.
- double pair royal — a set of four cards of the same denomination, worth 12 points.
- double quatrefoil — a charge having the form of a foil with eight leaves, used especially as the cadency mark of a ninth son.
- double refraction — the separation of a ray of light into two unequally refracted, plane-polarized rays of orthogonal polarizations, occurring in crystals in which the velocity of light rays is not the same in all directions.
- double track line — a railway line with double track
- double-ended bolt — a headless bolt threaded at both ends.
- douglas engelbart — (person) Douglas C. Engelbart, the inventor of the mouse. On 1968-12-09, Douglas C. Engelbart and the group of 17 researchers working with him in the Augmentation Research Center at Stanford Research Institute in Menlo Park, California, USA, presented a 90-minute live public demonstration of the on live system, NLS, they had been working on since 1962. The presentation was a session in the of the Fall Joint Computer Conference held at the Convention Center in San Francisco, and it was attended by about 1000 computer professionals. This was the public debut of the computer mouse, hypertext, object addressing, dynamic file linking and shared-screen collaboration involving two persons at different sites communicating over a network with audio and video interface. The original 90-minute video: Hyperlinks, Mouse, Web-board.
- douglas macarthur — Douglas, 1880–1964, U.S. general: supreme commander of allied forces in SW Pacific during World War II and of UN forces in Korea 1950–51.
- down the plughole — If you say that something has gone down the plughole, you mean that it has failed or has been lost or wasted.
- drained of colour — colourless
- drive up the wall — to cause to become crazy or furious
- drop one's bundle — several objects or a quantity of material gathered or bound together: a bundle of hay.
- duality principle — the principle that a mathematical duality exists under certain conditions.
- due course of law — the regular administration of the law, according to which no citizen may be denied his or her legal rights and all laws must conform to fundamental, accepted legal principles, as the right of the accused to confront his or her accusers.
- dull as dishwater — water in which dishes are, or have been, washed.
- dutch elm disease — a disease of elms characterized by wilting, yellowing, and falling of the leaves and caused by a fungus, Ceratostomella ulmi, transmitted by bark beetles.
- dwarf huckleberry — tangleberry.
- east indian lotus — a southern Asian lotus, Nelumbo nucifera, of the water lily family, having fragrant pink or rose flowers.
- employee discount — When the employees of a store or other retail business are entitled to an employee discount, they do not have to pay the full price for goods they buy in the store.
- equalization fund — a monetary reserve established by a country to provide funds for maintaining the official exchange rates of its currency by equalizing the buying and selling of foreign exchange.
- eupen and malmédy — a region of Belgium in Liège province: ceded by Germany in 1919. Pop: 29 372 (2004 est)
- false bread-fruit — ceriman.
- feasibility study — (systems analysis) Part of the systems develpment life cycle which aims to determine whether it is sensible to develop some system. The most popular model of feasibility study is "TELOS", standing for Technical, Economic, Legal, Operational, Schedule. Technical Feasibility: does the technology exist to implement the proposed system? Is it a practical proposition? Economic Feasibility: is the system cost-effective? Do benefits outweigh costs? Legal Feasibility: is there any conflict between the proposed system and legal requirements, e.g. the Data Protection Act? Operational Feasibility: are the current work practices and procedures adequate to support the new system? Schedule Feasibility: can the system be developed in time? After the feasibility study, the requirements analysis should be carried out.
- feint-ruled paper — writing paper with light horizontal lines printed across at regular intervals
- find fault (with) — to seek and point out faults (of); complain (about); criticize
- fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
- folie de grandeur — a delusion of grandeur; megalomania.
- follow the hounds — to hunt a fox, etc. on horseback with hounds
- foucault pendulum — a pendulum that demonstrates the rotation of the earth by exhibiting an apparent change in its plane of oscillation.
- four-letter words — any of a number of short words, usually of four letters, considered offensive or vulgar because of their reference to excrement or sex.
- four-rowed barley — a class of barley having, in each spike, six rows of grain, with two pairs of rows overlapping.
- fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
- full load current — A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
- full-motion video — (video) (FMV) Any kind of video that is theoretically capable of changing the entire content on the screen fast enough that the transitions are not obvious to the human eye, i.e. about 24 times a second or more. In practise most video encoding relies on the fact that in most video there is relatively little change from one frame to the next. This allows for compression of the video data. The term is used, chiefly in computer games, in contrast to techniques such as the use of sprites that move against a more-or-less fixed background.
- galactic latitude — the angular distance from the galactic equator of a point on the celestial sphere.
- grand union canal — a canal in S England linking London and the Midlands: opened in 1801
- great namaqualand — an arid coastal region in the S part of Namibia, extending into the Cape of Good Hope province of the Republic of South Africa, divided by the Orange River into two regions, one in Namibia (Great Namaqualand) the other in South Africa (Little Namaqualand) inhabited by the Nama.