18-letter words containing r, a, d, i, l, s
- address resolution — (networking) Conversion of an Internet address into the corresponding physical address (Ethernet address). This is usually done using Address Resolution Protocol. The resolver is a library routine and a set of processes which converts hostnames into Internet addresses, though this process in not usually referred to as resolution. See DNS.
- administrative law — law relating to the control of government power
- agro-industrialize — to industrialize the agriculture of: to agro-industrialize a developing nation.
- aids-related virus — a variant of the AIDS virus. Abbreviation: ARV.
- albrecht waldstein — Albrecht von [German ahl-brekht fuh n] /German ˈɑl brɛxt fən/ (Show IPA), Wallenstein, Albrecht Wenzel Eusebius von.
- alexander i island — an island of Antarctica, west of Palmer Land, in the Bellingshausen Sea. Length: about 378 km (235 miles)
- 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.
- angular dispersion — a measure of the angular separation of light rays of different wavelength or color traversing a prism or diffraction grating, equal to the rate of change of the angle of deviation with respect to the change in wavelength.
- antiprostaglandins — Plural form of antiprostaglandin.
- aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
- appraisal drilling — (in the oil industry) drilling carried out once oil or gas has been discovered in order to assess the extent of the field, the reserves, the possible rate of production, and the properties of the oil or gas
- arsenic trisulfide — a yellow or red crystalline substance, As 2 S 3 , occurring in nature as the mineral orpiment, and used as a pigment (king's yellow) and in pyrotechnics.
- asciibetical order — (jargon, programming) /as'kee-be'-t*-kl or'dr/ Used to indicate that data is sorted in ASCII collated order rather than alphabetical order. The main difference is that, in ASCII, all the upper case letters come before any of the lower case letters so, e.g., "Z" comes before "a".
- australian doubles — an unusual formation in doubles in which the server's partner is positioned on the same side of the court as the server.
- ballistocardiogram — a tracing made by a ballistocardiograph
- bartholin's glands — two small reddish-yellow glands, one on each side of the vaginal orifice, that secrete a mucous lubricating substance during sexual stimulation in females
- board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
- brazilian rosewood — a Brazilian tree, Dalbergia nigra, of the legume family.
- brewer's blackbird — a blackbird, Euphagus cyanocephalus, of the U.S., the male of which has greenish-black plumage with a purplish-black head.
- bring-and-buy sale — A bring-and-buy sale is an informal sale to raise money for a charity or other organization. People who come to the sale bring things to be sold and buy things that other people have brought.
- 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
- butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
- cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
- centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
- chambered nautilus — nautilus (def 1).
- children of israel — the Jews; Hebrews
- children's crusade — a crusade to recover Jerusalem from the Saracens, undertaken in 1212 by thousands of French and German children who perished, were sold into slavery, or were turned back.
- circular dichroism — selective absorption of one of the two possible circular polarizations of light.
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- closed scholarship — a scholarship for which only certain people, such as those from a particular school or with a particular surname, are eligible
- collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
- condensation trail — contrail.
- 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.
- cracked distillate — A cracked distillate is a clear yellow liquid, mostly containing hydrocarbons, which is produced by steam cracking without a catalyst.
- crested dog's-tail — a common wiry perennial grass, Cynosurus cristatus, of meadows and pasture
- cross-disciplinary — linking two or more fields of study
- crude oil desalter — A crude oil desalter is equipment which removes inorganic salts from crude oil, using chemical or electrostatic separation.
- cultural diffusion — act of diffusing; state of being diffused.
- cultural diversity — the cultural variety and cultural differences that exist in the world, a society, or an institution: Dying languages and urbanization are threats to cultural diversity.
- daisywheel printer — (printer) A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
- dead as a doornail — completely dead
- delmarva peninsula — a peninsula of the northeast US, between Chesapeake Bay and the Atlantic
- depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
- descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
- devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
- dia de los muertos — Day of the Dead.
- diaminofluorescein — (organic compound) A fluorescein into which two amino groups have been substituted.
- dietary supplement — a substance taken in addition to what you eat in order to promote health
- digital signatures — digital signature
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