17-letter words containing b, u, t, l
- butterfly diagram — a graphical butterfly-shaped representation of the sunspot density on the solar disc in the 11-year sunspot cycle
- buttock-clenching — making one tighten the buttocks through extreme fear or embarrassment
- buttonhole stitch — a reinforcing looped stitch for the edge of material, such as around a buttonhole
- buyers' inflation — inflation in which rising demand results in a rise in prices.
- buys ballot's law — a law stating that if an observer stands with his back to the wind in the N hemisphere, atmospheric pressure is lower on his left, and vice versa in the S hemisphere
- buys-ballot's law — the law stating that if one stands with one's back to the wind, in the Northern Hemisphere the atmospheric pressure will be lower on one's left and in the Southern Hemisphere it will be lower on one's right: descriptive of the relationship of horizontal winds to atmospheric pressure.
- cabbage butterfly — a common white butterfly (Pieris rapae) whose green larvae feed upon cabbage and related plants
- calcium carbonate — a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO3
- camberwell beauty — a nymphalid butterfly, Nymphalis antiopa, of temperate regions, having dark purple wings with cream-yellow borders
- centrifugal brake — a safety mechanism on a hoist, crane, etc, that consists of revolving brake shoes that are driven outwards by centrifugal force into contact with a fixed brake drum when the rope drum revolves at excessive speed
- chocolate biscuit — a biscuit covered with chocolate
- churchyard beetle — a blackish nocturnal ground beetle, Blaps mucronata, found in cellars and similar places
- clare boothe luce — Clare Boothe, 1903–87, U.S. writer, politician, and diplomat.
- club subscription — an amount of money that someone pays regularly in order to belong to a club
- collecting tubule — the part of a nephron that collects the urine from the distal convoluted tubule and discharges it into the pelvis of the kidney.
- compilation album — a musical recording consisting of works chosen for a particular purpose or theme
- contrasuggestible — responding or tending to respond to a suggestion by doing or believing the opposite
- convoluted tubule — a portion of the nephron in the kidney that functions in concentrating urine and in maintaining salt, water, and sugar balance.
- dagestan republic — a constituent republic of S Russia, on the Caspian Sea: annexed from Persia in 1813; rich mineral resources. Capital: Makhachkala. Pop: 2 584 200 (2002). Area: 50 278 sq km (19 416 sq miles)
- debt rescheduling — the process of changing the time frame or deadline for the repayment of debt, usually to ease the burden on the debtor
- 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.
- desktop publisher — desktop publishing
- 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.
- 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 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.
- 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
- 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.
- furbish lousewort — any plant belonging to the genus Pedicularis, of the figwort family, as the wood betony, formerly supposed to cause lice in sheep feeding on it: one species, P. furbishiae (Furbish lousewort) of parts of Maine and New Brunswick, Canada, having finely toothed leaves and a cluster of yellow flowers, is endangered and was thought to be extinct until specimens were discovered in 1946 and again in 1976.
- glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
- globus hystericus — the sensation of having a lump in the throat or difficulty in swallowing for which no medical cause can be found.
- green june beetle — a large, greenish scarab beetle, Cotinis nitida, of the southern U.S.
- 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.
- 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.
- imitation doublet — a doublet formed entirely of glass.
- in the public eye — featured prominently in the media
- incommunicability — incapable of being communicated, imparted, shared, etc.