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

  • 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.
  • cantilever foundation — a building foundation supporting its load partly or wholly upon cantilevers.
  • 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
  • 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
  • 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.
  • 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
  • commercial fertilizer — fertilizer manufactured chemically, as distinguished from natural fertilizer, as manure.
  • commercial television — television companies which make money by selling advertising
  • commercial translator — (language)   An English-like pre-COBOL language for business data processing.
  • committal proceedings — a preliminary hearing in a magistrates' court to decide if there is a case to answer
  • comparative philology — comparative linguistics.
  • complete metric space — (theory)   A metric space in which every sequence that converges in itself has a limit. For example, the space of real numbers is complete by Dedekind's axiom, whereas the space of rational numbers is not - e.g. the sequence a[0]=1; a[n_+1]:=a[n]/2+1/a[n].
  • completing the square — a method, usually of solving quadratic equations, by which a quadratic expression, as x 2 − 4 x + 3, is written as the sum or difference of a perfect square and a constant, x 2 − 4 x + 4 + 3 − 4 = (x − 2) 2 − 1, by addition and subtraction of appropriate constant terms.
  • conditional discharge — If someone who is convicted of an offence is given a conditional discharge by a court, they are not punished unless they later commit a further offence.
  • conditional operation — a step in a computer program that determines which of two or more instructions or instruction sequences to execute next, depending on whether or not one or more specified conditions have been met.
  • conference facilities — Conference facilities are large rooms and pieces of equipment that a hotel provides so an organization can have conference there.
  • congregational church — any evangelical Protestant Christian Church that is governed according to the principles of Congregationalism. In 1972 the majority of churches in the Congregational Church in England and Wales voted to become part of the United Reformed Church
  • constitutional strike — a stoppage of work by the workforce of an organization, with the approval of the trade union concerned, in accordance with the dispute procedure laid down in a collective agreement between the parties
  • continental breakfast — A continental breakfast is breakfast that consists of food such as bread, butter, jam, and a hot drink. There is no cooked food.
  • conventional mortgage — A conventional mortgage is a fixed rate mortgage with a standard term of 15, 20, or 30 years.
  • convertible insurance — any form of life or health insurance, either individual or group, that enables the insured to change or convert the insurance to another form, as term to whole life insurance or group to individual health insurance.
  • coordination language — (networking, protocol)   A language defined specifically to allow two or more parties (components) to communicate in order to accomplish some shared goal. Examples of coordination languages are Linda and Xerox's CLF (STITCH).
  • cordillera occidental — the western coastal ranges of the Andes, in Peru and Colombia.
  • cornella de llobregat — a city in N Spain.
  • coronal mass ejection — a cloud of particles ejected from the sun's surface during a solar flare
  • corporate hospitality — Corporate hospitality is the entertainment that a company offers to its most valued clients, for example by inviting them to sporting events and providing them with food and drink.
  • corpuscular radiation — radiation consisting of atomic and subatomic particles, as alpha particles, beta particles, and neutrons.
  • correctional facility — A correctional facility is a prison or similar institution.
  • cosmological argument — one of the arguments that purport to prove the existence of God from empirical facts about the universe, esp the argument to the existence of a first cause
  • cosmological redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
  • cost control callback — (communications)   A system where a computer automatically rejects incoming dial-up calls from certain telephone numbers and calls them back, with the result that the caller pays nothing for the connection. This differs from security callback in that it applies to certain phone numbers instead of to certain user names.
  • counter-revolutionary — Counter-revolutionary activities are activities intended to reverse the effects of a previous revolution.
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