17-letter words containing a, b, l, t
- deductible clause — a clause in an insurance policy stipulating that the insured will be liable for a specified initial amount of each loss, injury, etc., and that the insurance company will be liable for any additional costs up to the insured amount.
- deductive tableau — (tool) A theorem proof system consisting of a table whose rows contain assertions or goals. Variables in assertions are implicitly universally quantified and variables in goals are implicitly existentially quantified. The declarative meaning of a tableau is that if every instance of every assertion is true then some instance of at least one of the goals is true.
- diabetes mellitus — a disorder of carbohydrate metabolism characterized by excessive thirst and excretion of abnormally large quantities of urine containing an excess of sugar, caused by a deficiency of insulin
- dibutyl phthalate — a colorless oily liquid, C 16 H 22 O 4 , insoluble in water, used as a solvent, insect repellent, and plasticizer.
- differentiability — The ability to be differentiated.
- digital dashboard — (software) A personalised desktop portal that focuses on business intelligence and knowledge management.
- 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.
- discreditableness — Quality of being discreditable.
- discrete variable — a variable that may assume only a countable, and usually finite, number of values.
- disrespectability — Lack of respectability.
- double insulation — Double insulation is insulation that consists of both basic insulation and supplementary insulation.
- 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
- 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.
- downward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- electricity board — a company which supplies electricity
- emotional baggage — burden of personal experience
- english breakfast — An English breakfast is a breakfast consisting of cooked food such as bacon, eggs, sausages, and tomatoes. It also includes toast and tea or coffee.
- establishing shot — Cinema
- 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.
- flowering tobacco — any plant belonging to the genus Nicotiana, of the nightshade family, as N. alata and N. sylvestris, having clusters of fragrant flowers that usually bloom at night, grown as an ornamental.
- fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
- football hooligan — a noisy violent football supporter
- fort walton beach — a city in NW Florida.
- frostbite sailing — the sport of sailing in temperate latitudes during the winter despite cold weather.
- fulgencio batista — Fulgencio [fool-hen-syaw] /fulˈhɛn syɔ/ (Show IPA), (Fulgencio Batista y Zaldívar) 1901–73, Cuban military leader: dictator of Cuba 1934–40; president 1940–44, 1952–59.
- garbage collector — refuse collector, dustman
- get above oneself — If you say that someone is getting above themself, you disapprove of them because they think they are better than everyone else.
- glass box testing — white box testing
- glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
- goldbeater's skin — the prepared outside membrane of the large intestine of the ox, used by goldbeaters to lay between the leaves of the metal while they beat it into gold leaf.
- golf ball printer — IBM 2741
- great willow herb — either of two tall, large-flowered willow herbs, Epilobium angustifolium or E. hirsutum.
- greenland halibut — a flatfish, Reinhardtius hippoglossoides, similar and related to the halibut
- gunboat diplomacy — diplomatic relations involving the use or threat of military force, especially by a powerful nation against a weaker one.
- haemoglobinometer — an instrument used to determine the haemoglobin content of blood
- haemoglobinopathy — (medicine) Any of a group of inherited disorders in which haemoglobin does not function properly.
- half-breadth plan — a diagrammatic plan of one half of the hull of a vessel divided lengthwise amidships, showing water lines, stations, diagonals, and bow and buttock lines.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- honorable mention — a citation conferred on a contestant, exhibit, etc., having exceptional merit though not winning a top honor or prize.
- hubble's constant — the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec.
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperexcitability — an excessive reaction to stimuli.
- hyperirritability — extreme irritability.