20-letter words containing s, p, e, l, d, o
- a lick and a promise — something hastily done, esp a hurried wash
- acorn computers ltd. — (company) A UK computer manufacturer, part of the Acorn Computer Group plc. Acorn was founded on 1978-12-05, on a kitchen table in a back room. Their first creation was an electronic slot machine. After the Acorn System 1, 2 and 3, Acorn launched the first commercial microcomputer - the ATOM in March 1980. In April 1981, Acorn won a contract from the BBC to provide the PROTON. In January 1982 Acorn launched the BBC Microcomputer System. At one time, 70% of microcomputers bought for UK schools were BBC Micros. The Acorn Computer Group went public on the Unlisted Securities Market in September 1983. In April 1984 Acorn won the Queen's Award for Technology for the BBC Micro and in September 1985 Olivetti took a controlling interest in Acorn. The Master 128 Series computers were launched in January 1986 and the BBC Domesday System in November 1986. In 1983 Acorn began to design the Acorn RISC Machine (ARM), the first low-cost, high volume RISC processor chip (later renamed the Advanced RISC Machine). In June 1987 they launched the Archimedes range - the first 32-bit RISC based microcomputers - which sold for under UKP 1000. In February 1989 the R140 was launched. This was the first Unix workstation under UKP 4000. In May 1989 the A3000 (the new BBC Microcomputer) was launched. In 1990 Acorn formed Advanced RISC Machines Ltd. (ARM) in partnership with Apple Computer, Inc. and VLSI to develop the ARM processor. Acorn has continued to develop RISC based products. With 1992 revenues of 48.2 million pounds, Acorn Computers was the premier supplier of Information Technology products to UK education and had been the leading provider of 32-bit RISC based personal computers since 1987. Acorn finally folded in the late 1990s. Their operating system, RISC OS was further developed by a consortium of suppliers.
- aids-related complex — a condition that may develop into AIDS, characterized by the enlargement of the lymph nodes
- anglo-egyptian sudan — territory jointly administered by Egypt & Great Britain (1899-1956)
- anomalous dispersion — a sudden change in the refractive index of a material for wavelengths in the vicinity of absorption bands in the spectrum of the material.
- apollonius of rhodes — 3rd century bc, Greek epic poet and head of the Library of Alexandria. His principal work is the four-volume Argonautica
- arrested development — physical development that is not complete
- asexual reproduction — reproduction, as budding, fission, or spore formation, not involving the union of gametes.
- backwards compatible — backward compatibility
- belgian shepherd dog — a medium-sized well-proportioned dog of a breed that resembles an Alsatian in appearance and is often used as a sheepdog or a guard dog
- bomb disposal expert — an expert in bomb disposal
- bottle-nosed dolphin — any of several dolphins of the genus Tursiops, common in North Atlantic and Mediterranean waters, having a rounded forehead and well-defined beak.
- brown recluse spider — a very poisonous, medium-sized spider (Loxosceles reclusa), common in the U.S., having a violin-shaped mark on its cephalothorax and only six eyes
- caesar and cleopatra — a comedy (1898) by G. B. Shaw.
- card up one's sleeve — a plan or resource kept secret or held in reserve
- child support agency — the British government agency concerned with the welfare of children
- clay-colored sparrow — a sparrow, Spizella pallida, of the interior of North America, having buff, brown, and white plumage with a pale-gray breast.
- colloidal suspension — a mixture having particles of one component, with diameters between 10 −7 and 10 −9 metres, suspended in a continuous phase of another component. The mixture has properties between those of a solution and a fine suspension
- colorado blue spruce — blue spruce.
- complaints procedure — a prescribed method of lodging a complaint to an institution
- complementary strand — either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases.
- controlled explosion — the deliberate detonation of an explosive device under strictly controlled circumstances
- copulative asyndeton — a staccato effect produced by omitting copulative connectives between two or more items in a group, as in “Friends, Romans, countrymen.”.
- corresponding angles — a pair of nonadjacent angles, one interior and one exterior, on the same side of a transversal: these paired angles are equal if the lines cut by the transversal are parallel
- criminal proceedings — action taken in a court to bring a criminal prosecution against someone
- darkfield microscope — kind of microscope
- diisobutyl phthalate — a clear, colorless liquid, C 14 H 26 O 4 , used chiefly as a plasticizer for nitrocellulose.
- diophantine analysis — any of several methods for finding integral solutions for equations with more than one variable whose coefficients are integers.
- diplomatic secretary — secretary (def 5).
- diplomatic-secretary — secretary (def 5).
- displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
- double decomposition — a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO 3 + NaCl → AgCl + NaNO 3 .
- double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
- drum and bugle corps — a marching band of drum players and buglers.
- due process (of law) — the course of legal proceedings established by the legal system of a nation or state to protect individual rights
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- field ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- field-ion microscope — a device in which the atomic structure of the surface of a conductor is made visible by introducing helium gas into the device and applying a high voltage to ionize and accelerate the gas toward a fluorescent screen.
- file descriptor leak — (programming) (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
- first world problems — If you say that someone has First World problems, you mean that their problems are not really very important.
- fore-and-aft topsail — gaff topsail (def 1).
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
- household appliances — devices or machines, usually electrical, that are in your home and which you use to do jobs such as cleaning or cooking
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
- industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
- join-the-dots puzzle — a puzzle requiring you to connect a series of dots by drawing lines between them. If the dots are correctly connected, the result is a picture
- judicial proceedings — any action involving or carried out by a court of law
- magneto-optical disk — (hardware, storage) (MO) A plastic or glass disk coated with a compound (often TbFeCo) with special optical, magnetic and thermal properties. The disk is read by bouncing a low-intensity laser off the disk. Originally the laser was infrared, but frequencies up to blue may be possible giving higher storage density. The polarisation of the reflected light depends on the polarity of the stored magnetic field. To write, a higher intensity laser heats the coating up to its Curie point, allowing its magnetisation to be altered in a way that is retained when it has cooled. Although optical, they appear as hard drives to the operating system and do not require a special filesystem (they can be formatted as FAT, HPFS, NTFS, etc.). The initial 5.25" MO drives, introduced at the end of the 1980s, were the size of a full-height 5.25" hard drive (like in IBM PC XT) and the disks looked like a CD-ROM enclosed in an old-style cartridge In 2006, a 3.5" drive has the size of 1.44 megabyte diskette drive with disks about the size of a regular 1.44MB floppy disc but twice the thickness.
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