19-letter words containing a, c, u, s
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- senatorial courtesy — the practice in the U.S. Senate of confirming only those presidential appointees approved by both senators from the state of the appointee, or by the senior senator of the president's party.
- sentential calculus — the branch of symbolic logic dealing with the logical relationships between statements insofar as they can be analyzed into conjunctions, disjunctions, and negations of more elementary statements.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- sequential scanning — a system of scanning a television picture along the lines in numerical sequence
- sexual inter-course — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
- sexual reproduction — reproduction involving the union of gametes.
- sharp-focus realism — photorealism.
- shucking and jiving — misleading or deceptive talk or behavior, as to give a false impression.
- significant figures — the figures of a number that express a magnitude to a specified degree of accuracy, rounding up or down the final figure
- sissinghurst castle — a restored Elizabethan mansion near Cranbrook in Kent: noted for the gardens laid out in the 1930s by Victoria Sackville-West and Harold Nicolson
- slate-colored junco — the eastern subspecies of the dark-eyed junco, Junco hyemalis, having grayer plumage than the several western subspecies.
- slugging percentage — a number expressing a player's average effectiveness in making extra-base hits, calculated by dividing the total number of bases (from all singles, doubles, triples, and home runs) by the number of official at bats
- slum clearance area — an area that has been designated for, or been subject to, the rehousing of its inhabitants and subsequent demolition and rebuilding
- smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
- social security act — a law passed in 1935 providing old-age retirement insurance, a federal-state program of unemployment compensation, and federal grants for state welfare programs.
- sodium metasilicate — a white, granular sodium silicate, Na 2 SiO 3 , soluble in water: used in detergents and in bleaching and cleaning products.
- sound effects woman — a woman who produces sounds artificially or reproduces them from a recording, etc, to create a theatrical effect, such as the bringing together of two halves of a hollow coconut shell to simulate a horse's gallop. Such sound effects are used in plays, films, etc
- south african dutch — the Boers.
- south pacific ocean — the part of the Pacific Ocean extending S from the Equator to the Antarctic continent.
- south san francisco — a city in central California.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- specialized subject — a school or university subject that concentrates on a particular field of knowledge
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- structural engineer — A structural engineer is an engineer who works on large structures such as roads, bridges, and large buildings.
- subjective idealism — a doctrine that the world has no existence independent of sensations or ideas.
- subminiature camera — a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
- subnuclear particle — any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- subtractive process — a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- surface effect ship — a large, ship-size air cushion vehicle operated over water.
- surplus reinsurance — Surplus reinsurance is reinsurance of amounts over a specified amount of insurance.
- synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
- take one's cue from — If you take your cue from someone or something, you do something similar in a particular situation.
- take up the cudgels — If you take up the cudgels for someone or something, you speak or fight in support of them.
- technical institute — a higher-education institution
- tehachapi mountains — a transverse (E–W) mountain range in S central California. Highest peak, Double Mountain, 7982 feet (2433 meters).
- telescopic umbrella — an umbrella having parts that telescope
- term life insurance — life insurance for which premiums are paid over a limited time and that covers a specific term, the face value payable only if death occurs within that term.
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- theological virtues — one of the three graces: faith, hope, or charity, infused into the human intellect and will by a special grace of God.
- to clutch at straws — If you are clutching at straws or grasping at straws, you are trying unusual or extreme ideas or methods because other ideas or methods have failed.
- to make a fast buck — When someone makes a fast buck or makes a quick buck, they earn a lot of money quickly and easily, often by doing something which is considered to be dishonest.
- to rack your brains — If you rack your brains, you try very hard to think of something.
- to stick out a mile — If you say that something or someone sticks out a mile or stands out a mile, you are emphasizing that they are very obvious and easy to recognize.
- to take the biscuit — If someone has done something very stupid, rude, or selfish, you can say that they take the biscuit or that what they have done takes the biscuit, to emphasize your surprise at their behaviour.