21-letter words containing m, u, d, l
- add fuel to something — If something adds fuel to a conflict or debate, or adds fuel to the fire, it makes the conflict or debate more intense.
- air-to-ground missile — a missile fired from an aircraft that has a target on the ground
- american red squirrel — either of two reddish-brown squirrels, Tamiasciurus hudsonicus or T. douglasii, inhabiting forests of North America
- antimony pentasulfide — a deep-yellow, water-insoluble powder, Sb 2 S 5 , used chiefly as a pigment in oil and water colors.
- astronomical latitude — the angle between the direction of gravity at the observer's position and the plane of the celestial equator
- benzalkonium chloride — a white or yellowish-white, water-soluble mixture of ammonium chloride derivatives having the structure C 8 H 10 NRCl, where R is a mixture of radicals ranging from C 8 H 17 – to C 18 H 37 –, that occurs as an amorphous powder or in gelatinous lumps: used chiefly as an antiseptic and a disinfectant.
- benzethonium chloride — a colorless, water-soluble, crystalline solid, ammonium chloride derivative, (C 27 H 42 O 2 N)Cl⋅H 2 O, used chiefly as an antiseptic.
- bichloride of mercury — mercuric chloride
- binomial distribution — a statistical distribution giving the probability of obtaining a specified number of successes in a specified number of independent trials of an experiment with a constant probability of success in each. Symbol: Bi (n, p), where n is the number of trials and p the probability of success in each
- bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
- bulletin board system — (communications, application) (BBS, bboard /bee'bord/, message board, forum; plural: BBSes) A computer and associated software which typically provides an electronic message database where people can log in and leave messages. Messages are typically split into topic groups similar to the newsgroups on Usenet (which is like a distributed BBS). Any user may submit or read any message in these public areas. The term comes from physical pieces of board on which people can pin messages written on paper for general consumption - a "physical bulletin board". Ward Christensen, the programmer and operator of the first BBS (on-line 1978-02-16) called it a CBBS for "computer bulletin board system". Since the rise of the World-Wide Web, the term has become antiquated, though the concept is more popular than ever, with many websites featuring discussion areas where users can post messages for public consumption. Apart from public message areas, some BBSes provided archives of files, personal electronic mail and other services of interest to the system operator (sysop). Thousands of BBSes around the world were run from amateurs' homes on MS-DOS boxes with a single modem line each. Although BBSes were traditionally the domain of hobbyists, many connected directly to the Internet (accessed via telnet), others were operated by government, educational, and research institutions. Fans of Usenet or the big commercial time-sharing bboards such as CompuServe, CIX and GEnie tended to consider local BBSes the low-rent district of the hacker culture, but they helped connect hackers and users in the personal-micro and let them exchange code. Use of this term for a Usenet newsgroup generally marks one either as a newbie fresh in from the BBS world or as a real old-timer predating Usenet.
- burn the midnight oil — to work or study late into the night
- businessman's holiday — busman's holiday.
- choledochojejunostomy — (medicine) The surgical formation of an opening between the common bile duct and the jejunum.
- closed-angle glaucoma — angle-closure glaucoma. See under glaucoma.
- clostridium difficile — Clostridium difficile is a bacterium that causes severe diarrhoea. It is commonly found in hospitals. C.diff is also used.
- column address strobe — (hardware) (CAS) A signal sent from a processor (or memory controller) to a dynamic random-access memory (DRAM) (qv) circuit to indicate that the column address lines are valid.
- comfortably-furnished — containing comfortable furniture
- consultation document — a report that is the result of a consultation process
- correspondence column — a section of a newspaper or magazine in which are printed readers' letters to the editor
- croscarmellose sodium — Croscarmellose sodium is a substance used in tablets and capsules as a disintegrant.
- demand-pull inflation — inflation in which rising demand results in a rise in prices.
- desire under the elms — a play (1924) by Eugene O'Neill.
- development education — an area of study that aims to give pupils an understanding of their involvement in world affairs
- distributed smalltalk — ["The Design and Implementation of Distributed Smalltalk", J. Bennett, SIGPLAN Notices 22(12):318-330 (Dec 1980)].
- document object model — (hypertext, language, web) A W3C specification for application program interfaces for accessing the content of HTML and XML documents.
- dumfries and galloway — a region in S Scotland. 2460 sq. mi. (6371 sq. km).
- emitter coupled logic — (ECL) (Or "Current Mode Logic") A technology for building logic gates where the emitter of a transistor is used as the output rather than its collector. ECL has a propagation time of 0.5 - 2 ns (faster than TTL) and a power dissipation 3 - 10 times higher than TTL.
- empire state building — New York City skyscraper
- endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
- enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
- environmental studies — a university course studying the environment and related issues
- epidermolysis bullosa — type of genetic skin disorder
- faculty board meeting — a meeting of the governing body of a faculty
- ferric sodium oxalate — an emerald-green, crystalline, extremely water-soluble salt, used in photography and blueprinting.
- fuming sulphuric acid — a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid
- fundamental frequency — the lowest frequency at which a medium will freely oscillate.
- hindu-arabic numerals — Arabic numeral.
- hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
- induction loop system — a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid
- industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
- lady murasaki shikibu — Lady, 978?–1031? Japanese poet and novelist.
- lafayette, marquis de — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
- lambeth quadrilateral — the four essentials agreed upon at the Lambeth Conference of 1888 for a United Christian Church, namely, the Holy Scriptures, the Apostles' Creed, the sacraments of baptism and Holy Communion, and the historic episcopate
- lost-and-found column — a column in a newspaper that carries advertisements from people who have lost or found things
- luminous flux density — luminous flux per unit of cross-sectional area.
- macgillicuddy's reeks — a mountain range in County Kerry, SW Ireland. Highest peak (also highest in Ireland), Carrantuohill, 3414 feet (1041 meters).
- magnetic flux density — Also called magnetic flux density. a vector quantity used as a measure of a magnetic field. Symbol: B.
- magnetofluid dynamics — magnetohydrodynamics.
- maître d'hôtel butter — melted butter mixed with parsley and lemon juice
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