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21-letter words containing m, e, n

  • arithmetic logic unit — the part of a central processing unit that performs arithmetic and logical operations
  • arithmetic/logic unit — ALU.
  • articles of agreement — a contract between the captain of a ship and a crew member regarding stipulations of a voyage, signed prior to and upon termination of a voyage.
  • astronomical distance — the distance from one celestial body to another, measured in astronomical units, light-years, or parsecs.
  • astronomical latitude — the angle between the direction of gravity at the observer's position and the plane of the celestial equator
  • astronomical triangle — the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole.
  • atmospheric inversion — inversion (def 12).
  • atmospheric-inversion — an act or instance of inverting.
  • atomic disintegration — a process resulting in the change of a radioactive nucleus, either by emission of an alpha, beta, or gamma ray or by fission, and producing a change in the original mass, atomic number, or energy
  • atomic unit of length — (in the Bohr atom) the radius of the electron orbit having the lowest energy.
  • automatic hyphenation — (text)   A feature of some word processors which can insert hyphens into words which would otherwise extend beyond the right hand margin of the page. More advanced word processors may have options to control the position of the hyphen, to restrict certain words from being hyphenated, and to allow custom dictionaries of hyphenation points to be built up.
  • averaging light meter — an exposure meter that evaluates light measured from all parts of the picture area to generate an average reading.
  • baton de commandement — an antler object found in Upper Palaeolithic sites from the Aurignacian period onwards, consisting of a rod, often ornately decorated, with a hole through the thicker end
  • be (one) too many for — to defeat; overwhelm
  • be in the melting pot — If something is in the melting pot, you do not know what is going to happen to it.
  • beam in one's own eye — a major moral flaw in oneself which one ignores while criticizing minor faults in others
  • behavior modification — a technique that seeks to modify animal and human behavior through application of the principles of conditioning, in which rewards and reinforcements, or punishments, are used to establish desired habits, or patterns of behavior
  • behind someone's back — without someone's knowledge or consent
  • bentley systems, inc. — (company)   The company that sells MicroStation. Address: Exton, PA, USA.
  • 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.
  • binding-time analysis — (compiler)   An analysis to identify sub-expressions which can be evaluated at compile-time or where versions of a function can be generated and called which are specialised to certain values of one or more arguments. See partial evaluation.
  • 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)
  • blow your own trumpet — If you blow your own trumpet or blow your own horn, you tell people that you are very clever or successful.
  • book of common prayer — the official book of church services of the Church of England, until 1980, when the Alternative Service Book was sanctioned
  • borrowing requirement — the amount that needs to be borrowed to fill a budget deficit
  • bovine growth hormone — a growth hormone of cattle; esp., this hormone synthesized artificially and administered to beef cattle to increase growth rate and reduce fat and to dairy cows to increase milk production
  • brainstorming session — a meeting held for the purpose of intensive discussion to solve problems or generate ideas
  • break someone's heart — an act or instance of breaking; disruption or separation of parts; fracture; rupture: There was a break in the window.
  • british north america — (formerly) Canada or its constituent regions or provinces that formed part of the British Empire
  • british standard time — the standard time used in Britain all the year round from 1968 to 1971, set one hour ahead of Greenwich Mean Time and equalling Central European Time
  • bromine pentafluoride — a colorless, corrosive liquid, BrF 5 , used as an oxidizer in liquid rocket propellants.
  • bryan-chamorro treaty — a treaty (1914) between the U.S. and Nicaragua by which the U.S. secured exclusive rights to build a canal across Nicaragua, to connect the Atlantic and Pacific.
  • 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
  • bursting at the seams — If a place is very full, you can say that it is bursting at the seams.
  • businessman's holiday — busman's holiday.
  • butterfly common lisp — A parallel version of Common LISP for the BBN Butterfly computer.
  • 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.
  • by no manner of means — definitely not
  • carrie chapman l catt — Carrie Chapman Lane, 1859–1947, U.S. leader in women's suffrage movements.
  • category merchandiser — A category merchandiser is a person whose job is to maintain stocks, manage displays and promote sales of a certain product category such as footwear.
  • central daylight time — the time observed in the Central Time Zone of the United states when Daylight Savings Time is in effect; GMT -5
  • 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.
  • central standard time — one of the standard times used in North America, based on the local time of the 90° meridian, six hours behind Greenwich Mean Time
  • 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
  • charity commissioners — (in Britain) members of a commission constituted to keep a register of charities and control charitable trusts
  • 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.
  • chief master sergeant — a solider of the highest enlisted rank in the US Air Force
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