18-letter words containing m, e
- american cranberry — See under cranberry (def 1).
- ammonium carbamate — a white soluble crystalline compound produced by reaction between dry ammonia and carbon dioxide and used as a nitrogen fertilizer. Formula: (NH4)CO2NH2
- ammonium carbonate — an unstable pungent soluble white powder that is a double salt of ammonium bicarbonate and ammonium carbamate: used in the manufacture of baking powder, smelling salts, and ammonium compounds. Formula: (NH4)HCO3.(NH4)CO2NH2
- ammonium hydroxide — a compound existing only in aqueous solution, formed when ammonia dissolves in water to form ammonium ions and hydroxide ions. Formula: NH4OH
- ammonium phosphate — monoammonium phosphate.
- ammonium purpurate — murexide.
- analytical machine — Analytical Engine
- andrew file system — (operating system, storage) (AFS) The distributed file system of the Andrew Project, adopted by the OSF as part of their Distributed Computing Environment.
- anti-commercialism — the principles, practices, and spirit of commerce.
- anti-establishment — opposed to established authority
- anti-miscegenation — marriage or cohabitation between two people from different racial groups, especially, in the U.S., between a black person and a white person: In 1968 the Supreme Court ruled unanimously that state laws prohibiting miscegenation were unconstitutional.
- antiferromagnetism — the phenomenon exhibited by substances that resemble paramagnetic substances in the value of their relative permeability but that behave like ferromagnetic substances when their temperature is varied
- antimony pentoxide — a white or yellowish, water-insoluble powder, Sb 2 O 5 , used chiefly in the synthesis of antimonates.
- apartment building — An apartment building or apartment house is a tall building which contains different apartments on different floors.
- aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
- apparent magnitude — magnitude (sense 3)
- applied kinematics — kinematics (def 2).
- apprentice plumber — a trainee plumber
- arm's-length price — a price of a transaction agreed in accordance with market values, disregarding any connection such as common ownership of the companies involved
- armed intervention — an official response to a situation which involves the armed forces
- armed to the teeth — Someone who is armed to the teeth is armed with a lot of weapons or with very effective weapons.
- arrest of judgment — a stay of proceedings after a verdict, on the grounds of error or possible error
- as near as damn it — as near as possible; very near
- as the case may be — according to the circumstances
- aseptic meningitis — a mild form of meningitis usually caused by one of several viruses, characterized by headache, fever, and neck stiffness.
- assessment process — a series of steps that constitute a method of assessing students or workers
- assignment problem — (mathematics, algorithm) (Or "linear assignment") Any problem involving minimising the sum of C(a, b) over a set P of pairs (a, b) where a is an element of some set A and b is an element of set B, and C is some function, under constraints such as "each element of A must appear exactly once in P" or similarly for B, or both. For example, the a's could be workers and the b's projects. The problem is "linear" because the "cost function" C() depends only on the particular pairing (a, b) and is independent of all other pairings.
- associated company — a company which is largely controlled by its parent company because the latter owns anything up to 50% of the shares
- associative memory — content addressable memory
- assortative mating — the reproductive pairing of individuals that have more traits in common than would likely be the case if mating were random (contrasted with disassortative mating).
- ast computers, llc — (company) The private company formed in January 1999 when Mr. Beny Alagem, the former chairman of Packard Bell NEC, Inc., bought the name and intellectual property of AST Research, Inc.. AST Computers, LLC provide hardware, software, and services for small US businesses. Address: Los Angeles, CA, USA.
- astrometric binary — a binary star that can be recognized as such because of its undulating proper motion.
- asymmetric warfare — warfare in which opposing groups or nations have unequal military resources, and the weaker opponent uses unconventional weapons and tactics, as terrorism, to exploit the vulnerabilities of the enemy.
- asymptotic freedom — a property of the force between quarks, according to quantum chromodynamics, such that they behave almost like free particles when they are close together within a hadron.
- at boardroom level — among directors
- at someone's elbow — very close to someone; easy to reach
- at the last minute — almost too late
- at/from a distance — If you are at a distance from something, or if you see it or remember it from a distance, you are a long way away from it in space or time.
- atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
- atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
- augmented interval — an interval that is a half step greater than the corresponding major or perfect interval
- autoimmune disease — a disease resulting from a disordered immune reaction in which antibodies are produced against one's own tissues, as systemic lupus erythematosus or rheumatoid arthritis.
- automatic exposure — the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism
- autonomous phoneme — a phoneme that is defined or determined by its contrast in sound with other phonemes, without reference to its role in morphology or any other level of linguistic analysis beyond the phonetic level.
- awnless bromegrass — Hungarian bromegrass.
- ayatollah khomeini — Ayatollah Ruhollah [roo-hoh-luh;; Persian roo-haw-lah] /ruˈhoʊ lə;; Persian ˌru hɔˈlɑ/ (Show IPA), 1900?–89, Islamic leader of Iran 1979–89.
- bach flower remedy — an alternative medicine consisting of a distillation from various flowers, designed to counteract negative states of mind and restore emotional balance
- bachelor apartment — a flat consisting of one room that is used as a sitting room and bedroom, as well as a kitchenette and a bathroom
- balanced computing — (jargon) Matching computer tools to job activities so that the computer system structure parallels the organisation structure and work functions. Both personal computers and employees operate in a decentralised environment with monitoring of achievement of management objectives from centralised corporate systems.
- ballistic pendulum — a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.