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17-letter words containing b, e, d, t, a, l

  • deathwatch beetle — a beetle, Xestobium rufovillosum, whose woodboring larvae are a serious pest. The adult produces a rapid tapping sound with its head that was once popularly supposed to presage death
  • 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.
  • 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.
  • electricity board — a company which supplies electricity
  • 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.
  • 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.
  • greenland halibut — a flatfish, Reinhardtius hippoglossoides, similar and related to the halibut
  • 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.
  • 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.
  • imitation doublet — a doublet formed entirely of glass.
  • indecipherability — Quality of being indecipherable.
  • indefatigableness — The state of being indefatigable.
  • indistinguishable — not distinguishable.
  • interdental brush — a small brush that is used to clean between the teeth
  • juvenile diabetes — any of several disorders characterized by increased urine production.
  • kendal sneck bent — a fishhook having a wide, squarish bend.
  • label edge router — (networking)   (LER) A device that sits at the edge of an MPLS domain, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain.
  • ladybird (beetle) — ladybug
  • lambdoidal suture — the lambda-shaped seam or line of joining between the occipital and two parietal bones at the back part of the skull.
  • lead acid battery — A lead acid battery is a 12-volt battery for passenger cars and light commercial vehicles consisting of lead-acid cells in series.
  • least upper bound — an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3. Abbr.: lub.
  • liberal democrats — (in Britain) a political party with centrist policies; established in 1988 as the Social and Liberal Democrats when the Liberal Party merged with the Social Democratic Party; renamed Liberal Democrats in 1989
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • limited liability — a liability restricted by law or contract, as the liability of owners of shares in a corporation or limited company, or that of a special partner.
  • medulla oblongata — the lowest or hindmost part of the brain, continuous with the spinal cord.
  • mental disability — a general or specific intellectual handicap, resulting directly or indirectly from injury to the brain or from abnormal neurological development
  • misunderstandable — Capable of being misunderstood.
  • movable-do system — a system of solmization in which the syllable do can be transposed to the tonic of any key.
  • nonunderstandable — Not understandable.
  • not bat an eyelid — When something surprising or shocking happens, if someone doesn't bat an eyelid in British English, or doesn't bat an eye in American English, they remain calm and do not show any reaction.
  • on the barrelhead — upon being presented for sale; at the time of delivery
  • pillar-and-breast — room-and-pillar.
  • red and the black — a novel (1832) by Stendhal.
  • rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
  • russell, bertrand — Bertrand Russell
  • salt-rising bread — a kind of bread leavened with a fermented mixture of salted milk, cornmeal, flour, sugar, and soda.
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