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21-letter words containing a, l, o, r

  • be on the danger list — to be critically ill in hospital
  • behavioural contagion — the spread of a particular type of behaviour, such as crying, through a crowd or group of people
  • 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.
  • bernadette of lourdes — Saint. original name Marie Bernarde Soubirous. 1844–79, French peasant girl born in Lourdes, whose visions of the Virgin Mary led to the establishment of Lourdes as a centre of pilgrimage, esp for the sick or crippled. Feast day: Feb 18
  • bibliographic control — the identification, description, analysis, and classification of books and other materials of communication so that they may be effectively organized, stored, retrieved, and used when needed.
  • bibliographic utility — an organization that maintains computerized bibliographic records and offers to its members or customers various products and services related to these records.
  • 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
  • binomial nomenclature — a system for naming plants and animals by means of two Latin names: the first indicating the genus and the second the species to which the organism belongs, as in Panthera leo (the lion)
  • biobehavioral science — any of the various branches of the life sciences, as neurobiology, neurochemistry, or neuroendocrinology, that deal with biological aspects of behavior.
  • biological psychiatry — a school of psychiatric thought concerned with the medical treatment of mental disorders, especially through medication, and emphasizing the relationship between behavior and brain function and the search for physical causes of mental illness.
  • black-headed fireworm — the larva of any of several moths, as Rhopobota naevana (black-headed fireworm) which feeds on the leaves of cranberries and causes them to wither.
  • blow one's brains out — to kill oneself by shooting oneself in the head
  • bluethroat pikeblenny — See under pikeblenny.
  • boiling-water reactor — a nuclear reactor using water as coolant and moderator, steam being produced in the reactor itself: enriched uranium oxide cased in zirconium is the fuel
  • bonnie prince charlie — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.
  • bottlebrush moustache — a short, bristly moustache
  • break the fourth wall — (esp of a character in a television programme, film, or play) to refer to, acknowledge, or address the audience, usually for comedic effect or as an avante-garde technique
  • breakthrough bleeding — bleeding from the uterus that occurs between menstrual periods
  • breath-of-life packet — (XEROX PARC) An Ethernet packet that contains bootstrap code, periodically sent out from a working computer to infuse the "breath of life" into any computer on the network that has crashed. Computers depending on such packets have sufficient hardware or firmware code to wait for (or request) such a packet during the reboot process. See also dickless workstation. The notional "kiss-of-death packet", with a function complementary to that of a breath-of-life packet, is recommended for dealing with hosts that consume too many network resources. Though "kiss-of-death packet" is usually used in jest, there is at least one documented instance of an Internet subnet with limited address-table slots in a gateway computer in which such packets were routinely used to compete for slots, rather like Christmas shoppers competing for scarce parking spaces.
  • broadleaved whitebeam — a whitebeam, Sorbus latifolia, widely found in France and England, also planted as an ornamental
  • bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
  • buffalo carpet beetle — any of several small beetles of the family Dermestidae, the larvae of which are household pests, feeding on rugs and other woolen fabrics, especially Anthrenus scrophulariae (buffalo carpet beetle) and Attagenus piceus (black carpet beetle)
  • 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.
  • by fair means or foul — If someone tries to achieve something by fair means or foul, they use every means possible in order to achieve it, and they do not care if their behaviour is dishonest or unfair.
  • cantilever foundation — a building foundation supporting its load partly or wholly upon cantilevers.
  • carlos saavedra lamas — Carlos [kahr-laws] /ˈkɑr lɔs/ (Show IPA), 1878?–1959, Argentine statesman and diplomat: Nobel Peace Prize 1936.
  • caroline of brunswick — 1768–1821, wife of George IV of the United Kingdom: tried for adultery (1820)
  • casing collar locator — A casing collar locator is a tool that is placed down the borehole to allow depths to be measured by detecting the position of the casing collar.
  • catalyst-to-oil ratio — The catalyst-to-oil ratio is the amount of a catalyst relative to the amount of oil, which with temperature affects the yield of a process.
  • caviar to the general — a thing appealing only to a highly cultivated taste: Hamlet II, ii
  • central european time — the standard time adopted by Western European countries one hour ahead of Greenwich Mean Time, corresponding to British Summer Time
  • central limit theorem — any of several theorems stating that the sum of a number of random variables obeying certain conditions will assume a normal distribution as the number of variables becomes large.
  • character development — the portrayal of people in a work of fiction in such a way that the reader or audience seems to learn more about them as they develop
  • charge-coupled device — an electronic device, used in imaging and signal processing, in which information is represented as packets of electric charge that are stored in an array of tiny closely spaced capacitors and can be moved from one capacitor to another in a controlled way
  • chequebook journalism — Chequebook journalism is the practice of paying people large sums of money for information about crimes or famous people in order to get material for newspaper articles.
  • circle of declination — hour circle.
  • circular polarization — electromagnetic radiation (esp light) in which the electric field vector describes a circle about the direction of propagation at any point in the path of the radiation
  • civilian review board — a quasi-judicial board of appointed or elected citizens that investigates complaints against the police.
  • class-relation method — (programming)   A design technique based on the concepts of object-oriented programming and the Entity-Relationship model from the French company Softeam.
  • clayton antitrust act — an act of Congress in 1914 supplementing the Sherman Antitrust Act and establishing the FTC.
  • clayton-bulwer treaty — an agreement between the U.S. and Great Britain in 1850 guaranteeing that any canal built to connect the Atlantic and Pacific across Central America would be jointly controlled, open to all nations, and unfortified.
  • clement of alexandria — Saint. original name Titus Flavius Clemens. ?150–?215 ad, Greek Christian theologian: head of the catechetical school at Alexandria; teacher of Origen. Feast day: Dec 5
  • collective bargaining — When a trade union engages in collective bargaining, it has talks with an employer about its members' pay and working conditions.
  • college of propaganda — information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc.
  • collimator viewfinder — a type of viewfinder in a camera
  • collins street farmer — a businessman who invests in farms, land, etc
  • 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.
  • column chromatography — the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel.
  • combination principle — Ritz combination principle.
  • comfortably-furnished — containing comfortable furniture
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