17-letter words containing s, a, c, r, i, u
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- square centimeter — a unit of area measurement equal to a square measuring one centimeter on each side. 2 , sq. cm. Abbreviation: cm.
- square the circle — a rectangle having all four sides of equal length.
- standard function — a subprogram provided by a translator that carries out a task, for example the computation of a mathematical function, such as sine, square root, etc
- stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
- storm in a teacup — a violent fuss or disturbance over a trivial matter
- subclavian artery — either of a pair of arteries, one on each side of the body, that carry the main supply of blood to the arms.
- subclavian groove — either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm
- subscription rate — the price charged for a subscription
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- sufficient reason — the principle that nothing happens by pure chance, but that an explanation must always be available
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- supercolumniation — the placing of one order of columns above another.
- support mechanism — any formal system or method of providing support or assistance
- supreme sacrifice — the sacrifice of one's own life: Many made the supreme sacrifice during the war.
- surgical dressing — a dressing made of cotton, used for incisions made during surgery
- survival instinct — the instinct in humans and animals to do things in a dangerous situation that will prevent them from dying
- tactile corpuscle — an oval sense organ made of flattened cells and encapsulated nerve endings, occurring in hairless skin, as the tips of the fingers and toes, and functioning as a touch receptor.
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- tertiary consumer — a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
- textual criticism — lower criticism.
- the carboniferous — the Carboniferous period or rock system
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- transfer function — The transfer function of a circuit is the ratio of the response to the input.
- trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- tubercle bacillus — the bacterium, Mycobacterium tuberculosis, causing tuberculosis.
- ultraconservative — extremely conservative, especially in politics.
- uncircumscribable — to draw a line around; encircle: to circumscribe a city on a map.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- uncooperativeness — working or acting together willingly for a common purpose or benefit.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unofficial strike — a strike that is not approved by the strikers' trade union
- unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- vacuum aspiration — menstrual extraction.
- varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
- vascular cylinder — stele (sense 3)
- vehicle insurance — Vehicle insurance is insurance purchased for cars, trucks, motorcycles, and other road vehicles.
- vinaigrette sauce — a tart sauce of oil, vinegar, and seasonings, sometimes including chopped capers, pickles, etc., usually served cold with salads.
- warehouse receipt — a receipt for goods placed in a warehouse.
- warehousing costs — the costs involved in storing goods in a warehouse
- warm-up exercises — preparatory exercises done to warm up the muscles
- wimshurst machine — a device for the production of electric charge by electrostatic induction, consisting of two oppositely rotating glass or mica disks carrying metal strips upon which charges are induced and subsequently removed by contact with metallic combs.
- working substance — a substance, usually a fluid, that undergoes changes in pressure, temperature, volume, or form as part of a process for accomplishing work.
- year of confusion — (in ancient Rome) the year of 445 days preceding the introduction, in 46 b.c., of the Julian calendar: lengthened to compensate for the cumulative errors of the Roman calendar.