18-letter words containing m, a, r
- 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
- 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)
- 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.
- army of occupation — an army that goes into a defeated country to enforce peace terms, keep order, etc.
- 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
- 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.
- 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.
- 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.
- 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 boardroom level — among directors
- 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
- automatic exposure — the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism
- automatic tracking — a radar tracking system in which an automatic device uses the echo signal from the tracked object to keep the radar constantly beamed on target and to compute the range of the object.
- awnless bromegrass — Hungarian bromegrass.
- 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
- backus normal form — Backus-Naur Form
- ballistocardiogram — a tracing made by a ballistocardiograph
- barium thiosulfate — a white, crystalline, water-insoluble, poisonous solid, BaS 2 O 3 ⋅H 2 O, used chiefly in the manufacture of explosives, matches, paints, and varnishes.
- basal conglomerate — a conglomerate deposited on an erosion surface and constituting the bottom layer of a stratigraphic series.
- basement apartment — an apartment below the ground floor of a building
- battery eliminator — eliminator (def 2).
- battery-eliminator — a person or thing that eliminates.
- battle of omdurman — a battle (1898) in which the Mahdi's successor and his Ansar followers were defeated by Lord Kitchener's British forces
- beefsteak mushroom — an edible bracket fungus, Fistulina hepatica, that grows on trees and can rot the heartwood of living oaks and chestnuts.
- beggar-my-neighbor — beggar-your-neighbor.
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- bend someone's ear — to speak at length to an unwilling listener, esp to voice one's troubles
- bernard montgomery — Bernard Law, 1st Viscount Montgomery of Alamein ("Monty") 1887–1976, British field marshal: World War II commander of British 8th Army in Africa and Europe.
- bernard of menthon — Saint(11th cent.); Fr. monk who founded hospices in the Swiss Alps: his day is May 28
- best-ball foursome — a match, scored by holes, between two pairs of players, in which the score of the lower scoring member of each pair is taken as their score for the hole.
- bevel-faced hammer — a riveting hammer having an oblique face.
- bichromate process — any of several methods of photography in which the light-sensitive medium is alkaline bichromate associated with a colloid such as gum, albumen, or gelatin.