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18-letter words containing a, m, i

  • american civil war — the war in the U.S. between the North and the South, 1861–65.
  • american cockroach — a large, reddish-brown cockroach, Periplaneta americana, found originally in the southern U.S. but now widely distributed.
  • american cranberry — See under cranberry (def 1).
  • aminosuccinic acid — aspartic acid.
  • 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.
  • anglican communion — a group of Christian Churches including the Church of England, the Church of Ireland, the Episcopal Church in Scotland, the Church in Wales, and the Episcopal Church in the US, all of which are in full communion with each other
  • ansi minimal basic — (language, standard)   ANS X3.60-1978.
  • anthropomorphising — Present participle of anthropomorphise.
  • anthropomorphizing — Present participle of anthropomorphize.
  • anti-commercialism — the principles, practices, and spirit of commerce.
  • anti-establishment — opposed to established authority
  • anti-masonic party — a former political party (1826–35) that opposed Freemasonry in civil affairs.
  • 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.
  • anti-scholasticism — narrow adherence to traditional teachings, doctrines, or methods.
  • antidiscrimination — (legal) Opposing or disallowing discrimination.
  • 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.
  • aorangi-mount cook — the official name for Mount Cook
  • 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
  • army of occupation — an army that goes into a defeated country to enforce peace terms, keep order, etc.
  • as near as damn it — as near as possible; very near
  • aseptic meningitis — a mild form of meningitis usually caused by one of several viruses, characterized by headache, fever, and neck stiffness.
  • 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).
  • assumption of risk — Assumption of risk is the practice of paying for minor losses yourself, but protecting against catastrophic losses by buying insurance cover.
  • astrometric binary — a binary star that can be recognized as such because of its undulating proper motion.
  • astronomical clock — a complex clock showing astronomical phenomena, such as the phases of the moon
  • 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 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
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