17-letter words containing d, a, u, b
- 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.
- denominate number — a number associated with a unit of measurement.
- deoxyribonuclease — DNase.
- 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.
- 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.
- dishonourableness — Alternative spelling of dishonorableness.
- 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
- 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.
- dwarf huckleberry — tangleberry.
- 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.
- fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
- four-rowed barley — a class of barley having, in each spike, six rows of grain, with two pairs of rows overlapping.
- freedmen's bureau — an agency of the War Department set up in 1865 to assist freed slaves in obtaining relief, land, jobs, fair treatment, and education.
- 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.
- herbaceous border — A herbaceous border is a flower bed containing a mixture of plants that flower every year.
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- i am bound to say — You can say 'I am bound to say' to introduce a statement expressing something that you find undesirable or unexpected.
- i beg your pardon — You say 'Pardon?' or 'I beg your pardon?' or, in American English, 'Pardon me?' when you want someone to repeat what they have just said because you have not heard or understood it.
- imitation doublet — a doublet formed entirely of glass.
- in double harness — in a harness for two animals pulling the same carriage, plow, etc.
- in the background — behind the focus of attention
- incubation period — the period between infection and the appearance of signs of a disease.
- indian paintbrush — any of several semiparasitic plants belonging to the genus Castilleja, of the figwort family, as C. linariaefolia, of the western U.S.: the state flower of Wyoming.
- indistinguishable — not distinguishable.
- indistinguishably — In an indistinguishable manner; so that separate components or differences cannot be discerned.
- interdental brush — a small brush that is used to clean between the teeth
- joachim du bellay — Joachim [French zhaw-a-keem] /French ʒɔ aˈkim/ (Show IPA), Bellay, Joachim du.
- juvenile diabetes — any of several disorders characterized by increased urine production.
- 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.
- lambdoidal suture — the lambda-shaped seam or line of joining between the occipital and two parietal bones at the back part of the skull.
- 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 education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
- medulla oblongata — the lowest or hindmost part of the brain, continuous with the spinal cord.
- misunderstandable — Capable of being misunderstood.
- modular sb-prolog — Modular Prolog
- nervous breakdown — (not in technical use) any disabling mental disorder requiring treatment.
- non-subordination — the act of placing in a lower rank or position: The refusal to allow women to be educated was part of society's subordination of women to men.
- nonunderstandable — Not understandable.
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
- passamaquoddy bay — an inlet of the Bay of Fundy, between Maine and New Brunswick, at the mouth of the St. Croix River.
- pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.