18-letter words containing a, d, m, s, i
- able-bodied seaman — an ordinary seaman, esp one in the merchant navy, who has been trained in certain skills
- absolute magnitude — the apparent magnitude a given star would have if it were situated at a distance of 10 parsecs (32.6 light years) from the earth
- academie francaise — French Academy.
- acoustic impedance — the total reaction of a medium to the transmission of sound through it, expressed as the ratio of sound pressure to particle velocity at a given point in the medium.
- addressing machine — a printer that prints addresses directly on to letters, labels, and envelopes
- adenocarcinomatous — Of or pertaining to adenocarcinomas.
- adenosylmethionine — (biochemistry) An adenosyl derivative of methionine that is a common co-substrate involved in transmethylation.
- administered price — a price determined by a seller's pricing policy and not by market forces, supply and demand, etc
- administrative law — law relating to the control of government power
- aerospace medicine — aviation medicine
- aerothermodynamics — the study of the exchange of heat between solids and gases, esp of the heating effect on aircraft flying through the air at very high speeds
- age discrimination — discrimination against older people, especially by employers
- all meals included — All meals included is used to indicate that a price, especially the price of a hotel stay or vacation, includes the cost of meals in the hotel.
- aminosuccinic acid — aspartic acid.
- 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.
- antidiscrimination — (legal) Opposing or disallowing discrimination.
- aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
- applied kinematics — kinematics (def 2).
- as near as damn it — as near as possible; very near
- associated company — a company which is largely controlled by its parent company because the latter owns anything up to 50% of the shares
- 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/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 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
- 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.
- 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.
- ballistocardiogram — a tracing made by a ballistocardiograph
- board of examiners — a group of people who officially administer examinations
- bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
- british somaliland — a former British protectorate (1884–1960) in E Africa, on the Gulf of Aden: united with Italian Somaliland in 1960 to form Somalia (or the Somali Republic); in 1991 the self-styled republic of Somaliland, covering the same area as the former British Somaliland, declared itself independent and continues to function largely as a separate entity, though without international recognition
- building materials — materials such as bricks, cement, timber, etc
- camp david accords — a peace treaty between Israel and Egypt issuing from talks at Camp David between Egyptian President Sadat, Israeli Prime Minister Begin, and the host, U.S. President Carter: signed in 1979.
- carcinoid syndrome — the systemic effects, including flushing, palpitations, diarrhea, and cramps, resulting from increased blood levels of serotonin secreted by a carcinoid.
- chambered nautilus — nautilus (def 1).
- christian democrat — a member or supporter of a Christian Democratic party
- christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
- circular dichroism — selective absorption of one of the two possible circular polarizations of light.
- collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
- comings and goings — Comings and goings refers to the way people keep arriving at and leaving a particular place.
- compact video disc — a compact laser disc that plays both pictures and sound
- compensation award — an amount of money awarded as compensation in a court case
- compensation order — (in Britain) the requirement of a court that an offender pay compensation for injury, loss, or damage resulting from an offence, either in preference to or as well as a fine
- considered harmful — (programming, humour) A type of phrase based on the title of Edsger W. Dijkstra's famous note in the March 1968 Communications of the ACM, "Goto Statement Considered Harmful", which fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting acrimony sufficiently harmful that it will (by policy) no longer print articles taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies bore titles of the form "X considered Y". The structured-programming wars eventually blew over with the realisation that both sides were wrong, but use of such titles has remained as a persistent minor in-joke.
- contact dermatitis — dermatitis caused by direct contact with an irritating substance, as an allergen or chemical
- creme de framboise — a liqueur flavored with raspberries.
- crookes radiometer — a type of radiometer consisting of an evacuated glass bulb containing a set of lightweight vanes, each blackened on one side. The vanes are mounted on a vertical axis and revolve when light, or other radiant energy, falls on them
- customs and excise — Customs and Excise is a British government department which is responsible for collecting taxes on imported and exported goods. Compare Customs Service.
- daytime television — television broadcasts that are shown during the daytime rather than in the evening
- dead man's fingers — a soft coral, Alcyonium digitatum, with long finger-like polyps
- dead-man's fingers — any of various fungi, sponges, plant roots, animal parts, etc., having fingerlike projections and a pale or dull color, as the gray-black woodland fungus Xylaria polymorpha or the whitish spongy gills of a food crab.
- deanthropomorphism — the ridding of philosophy or religion of anthropomorphic beliefs and doctrines.
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