17-letter words containing a, b, o, r
- interlibrary loan — a system by which one library obtains a work for a user by borrowing it from another library.
- internet backbone — (communications, networking) High-speed networks that carry Internet traffic. These communications networks are provided by companies such as AT&T, GTE, IBM, MCI, Netcom, Sprint, UUNET and consist of high-speed links in the T1, T3, OC1 and OC3 ranges. The backbones carry Internet traffic around the world and meet at Network Access Points (NAPs). The topology of the "backbone" and its interconnections may once have resembled a spine with ribs connected along its length but is now almost certainly more like a fishing net wrapped around the world with many circular paths.
- into one's barrow — suited to one's interests or desires
- irrational number — a number that cannot be exactly expressed as a ratio of two integers.
- irreconcilability — incapable of being brought into harmony or adjustment; incompatible: irreconcilable differences.
- irrecoverableness — The quality of being irrecoverable.
- job advertisement — an announcement in a newspaper, on television, or on a poster about a post of employment
- john of salisbury — c1115–80, English prelate and scholar.
- keep your balance — If you keep your balance, for example when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
- keyboard commando — (messaging) A bulletin board user who posts authoritatively on military or combat topics, but who has never served in uniform or heard a shot fired in anger. A poseur.
- 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.
- laboratory school — a school maintained by a college or university for the training of student teachers.
- lambda expression — (mathematics) A term in the lambda-calculus denoting an unnamed function (a "lambda abstraction"), a variable or a constant. The pure lambda-calculus has only functions and no constants.
- lambdoidal suture — the lambda-shaped seam or line of joining between the occipital and two parietal bones at the back part of the skull.
- learned borrowing — a word or other linguistic form borrowed from a classical language into a modern language.
- 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 democracy — a democracy based on the recognition of individual rights and freedoms, in which decisions from direct or representative processes prevail in many policy areas
- liberal democrats — (in Britain) a political party with centrist policies; established in 1988 as the Social and Liberal Democrats when the Liberal Party merged with the Social Democratic Party; renamed Liberal Democrats in 1989
- liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
- librocubicularist — (rare) A person who reads in bed.
- limousine liberal — a wealthy left-wing person
- lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
- lombrosian school — a school of criminology, promulgating the theories and employing the methods developed by Lombroso.
- loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
- macroinvertebrate — (zoology) An invertebrate that is large enough to be seen without the use of a microscope.
- madiba generation — the generation born around 1994, when Nelson Mandela became the first president of a multiracial South Africa
- mark of the beast — the mark put on the forehead of those who worship the beast, the symbol of opposition to God.
- membrane recovery — Membrane recovery is a process which uses membranes to obtain hydrogen from refinery fuel gas, hydrocrackers, and chemical processes such as methanol production.
- mercury barometer — a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.
- michigan bankroll — a large roll of paper money in small denominations.
- microbiologically — With regard to microbiology.
- microdermabrasion — A cosmetic treatment in which the face is sprayed with exfoliant crystals to remove dead epidermal cells.
- microinvertebrate — An invertebrate of microscopic size.
- mikhail gorbachev — Mikhail S(ergeyevich) [mi-kahyl sur-gey-uh-vich,, mi-keyl;; Russian myi-khuh-yeel syir-gye-yi-vyich] /mɪˈkaɪl sɜrˈgeɪ ə vɪtʃ,, mɪˈkeɪl;; Russian myɪ xʌˈyil syɪrˈgyɛ yɪ vyɪtʃ/ (Show IPA), born 1931, Soviet political leader: general secretary of the Communist Party 1985–91; president of the Soviet Union 1988–91; Nobel Peace Prize 1990.
- modular sb-prolog — Modular Prolog
- molecular biology — the branch of biology that deals with the nature of biological phenomena at the molecular level through the study of DNA and RNA, proteins, and other macromolecules involved in genetic information and cell function, characteristically making use of advanced tools and techniques of separation, manipulation, imaging, and analysis.
- molecular orbital — Physics, Chemistry. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) the electron in that state.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- monkey bread tree — a bombacaceous tree, Adansonia digitata, native to Africa, that has a very thick trunk, large white flowers, and a gourdlike fruit with an edible pulp called monkey bread
- mount robson park — a national park in the Rocky Mountains of E British Columbia, Canada.
- naval observatory — an astronomical observatory located in Washington, D.C., operated by the U.S. government, and responsible for the U.S. time service.
- near-earth object — a comet or asteroid pushed by the gravitational attraction of nearby planets into an orbit that allows it to enter the earth's orbit and thereby pose a danger of collision. Abbreviation: NEO.
- neath port talbot — a county borough in S Wales, created from part of West Glamorgan in 1996. Administrative centre: Port Talbot. Pop: 135 300 (2003 est). Area: 439 sq km (169 sq miles)
- nervous breakdown — (not in technical use) any disabling mental disorder requiring treatment.
- neurobiologically — In terms of or by means of neurobiology.
- neurofibromatosis — a dominantly inherited genetic disorder characterized by flat brown patches on the skin, neurofibromas of the skin and internal organs, and in some cases skeletal deformity.
- never looked back — If you say that someone did something and then never looked back, you mean that they were very successful from that time on.
- nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
- non-biodegradable — capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent.
- 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.