21-letter words containing a, s, m, l
- reckless endangerment — a crime whereby a person behaves in a reckless manner which creates a substantial risk of serious physical injury to another person
- requirements analysis — (project) The process of reviewing a business's processes to determine the business needs and functional requirements that a system must meet.
- residual unemployment — the unemployment that remains in periods of full employment, as a result of those mentally, physically, or emotionally unfit to work
- rocky mountain locust — a migratory locust, Melanoplus spretus, that occurs in North America, especially the Great Plains, where swarms cause great damage to crops and other vegetation.
- saint elias mountains — a mountain range between SE Alaska and the SW Yukon, Canada. Highest peak: Mount Logan, 5959 m (19 550 ft)
- salam-weinberg theory — the electroweak theory.
- sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
- sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
- san gabriel mountains — a mountain range in S California, N of Los Angeles. Highest peak, San Antonio Peak, 10,080 feet (3072 meters).
- scalar multiplication — an operation used in the definition of a vector space in which the product of a scalar and a vector is a vector, the operation is distributive over the addition of both scalars and vectors, and is associative with multiplication of scalars
- scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
- sealed-beam headlight — a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit.
- secure hash algorithm —
- semantic differential — a technique for measuring the connotative meaning of concepts by having an individual rate each concept on a series of graduated scales, each scale defined by a pair of polar adjectives, as good–bad or strong–weak.
- settle someone's hash — a dish of diced or chopped meat and often vegetables, as of leftover corned beef or veal and potatoes, sautéed in a frying pan or of meat, potatoes, and carrots cooked together in gravy.
- seven-segment display — (electronics) (SSD) A kind of display element consisting of seven independently controllable lines arranged as a rectangular figure eight. A seven-segment display is the simplest device that can display any of the digits zero to nine (and some other characters) by lighting different combinations of lines. They are often seen in electronic calculators or measuring equipment.
- sierra madre oriental — the system of mountains in the east of Mexico
- simple actor language — (language) (SAL) A minimal actor language, used for teaching in:
- sir william alexander — Sir William (Alexander) 1867–1957, Scottish lexicographer and philologist.
- slatwall merchandiser — A slatwall merchandiser is a three-dimensional display unit with grooves cut into its surface into which metal hanging rails can be fixed at various heights.
- social administration — the administration and maintenance of issues to do with social policies and welfare
- sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
- special court-martial — a court-martial established to try violations of military law less serious than those tried by a general court-martial but more serious than those tried by a summary court-martial.
- spin angular momentum — to make (yarn) by drawing out, twisting, and winding fibers: Pioneer women spun yarn on spinning wheels.
- splice the main brace — to join together or unite (two ropes or parts of a rope) by the interweaving of strands.
- statistical mechanics — the science that deals with average properties of the molecules, atoms, or elementary particles in random motion in a system of many such particles and relates these properties to the thermodynamic and other macroscopic properties of the system.
- steal someone's heart — to cause someone to feel love or affection
- stem-and-leaf diagram — a histogram in which the data points falling within each class interval are listed in order
- stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- submerged arc welding — a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen
- summary court-martial — a court-martial composed of one commissioned officer, authorized to try minor offenses against military law.
- supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
- systeme international — Système International d'Unités
- tetrabromofluorescein — eosin (def 1).
- the women's land army — a unit of women recruited to do agricultural work in the United Kingdom during World War I and World War II
- thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
- thermal power station — a power station in which heat is converted into electricity
- to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
- to move the goalposts — If you accuse someone of moving the goalposts, you mean that they have changed the rules in a situation or an activity, in order to gain an advantage for themselves and to make things difficult for other people.
- to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.
- transactinide element — any element having an atomic number higher than 103, the last of the actinide series. These superheavy, radioactive elements are extremely short-lived, and can only be created in the laboratory.
- transcendental number — a number that is not a root of any algebraic equation having integral coefficients, as π or e .
- transformational rule — Linguistics. a rule of transformational grammar that relates two phrase markers in the course of a derivation from the deep to the surface syntactic representation of a sentence, as by reordering, inserting, or deleting elements; a rule that converts deep structures into surface structures.
- tubercular meningitis — an infection of the membranes of the central nervous system caused by the bacterium Mycobacterium tuberculosis; features can include fever, headache, and coma
- tuple space smalltalk — ["Using Tuple Space Communication in Distributed Object-Oriented Languages", S. Matsuoka et al, SIGPLAN Notices 23(11):276-284 (Nov 1988)].
- ulm's modula-2 system — (language) A Modula-2 compiler, library and tools by Andreas Borchert <[email protected]>. The compiler is derived from the ETHZ compiler for the Lilith system. Version 2.2.1 conforms to PIM3. It requires gas version 1.36 (to be found in the same directory). Commercial use requires a licence. It runs on Sun-3, Nixdorf Targon/31, Concurrent 3200 Series.
- ultraviolet astronomy — the branch of astronomy that deals with celestial objects emitting electromagnetic radiation in the ultraviolet range.
- universal affirmative — a proposition of the form “All S is P.” Symbol: A, a.
- universal disk format — (storage, standard) (UDF) A CD-ROM file system standard that is required for DVD ROMs. UDF is the OSTA's replacement for the ISO 9660 file system used on CD-ROMs, but will be mostly used on DVD. DVD multimedia disks use UDF to contain MPEG audio and video streams. To read DVDs you need a DVD drive, the kernel driver for the drive, MPEG video support, and a UDF driver. DVDs containing both UDF filesystems and ISO 9660 filesystems can be read without UDF support. UDF can also be used by CD-R and CD-RW recorders in packet writing mode.