17-letter words containing u, r, a, c, i, l
- pseudo-moralistic — a person who teaches or inculcates morality.
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- quality assurance — a system for ensuring a desired level of quality in the development, production, or delivery of products and services: Quality assurance for nursing homes begins with a set of standards. Abbreviation: QA.
- quality paperback — a softbound book that is usually larger and more expensive than a mass market paperback and is sold primarily in bookstores as a trade book.
- quantum cell wire — (electronics, computing) (Or "quantum wire", "binary wire") Quantum cells arranged in a line to carry signals. Adjacent cells with the same orientation are at a low energy state and a change of orientation at one end of a quantum wire propagates along the wire, transmitting a signal. However, unlike conventional wire, since only the orientation of charge pairs changes, no current flows. Circuits created using quantum cell wires are referred to as Quantum-dot Wireless Digital Circuits, see quantum dot, Quantum-dot Cellular Automata.
- quattuordecillion — a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.
- radioluminescence — luminescence induced by nuclear radiation.
- rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
- recreational drug — drug taken for pleasure
- recurring decimal — Mathematics. repeating decimal.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic of korea — a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Compare Korean War.
- republic of palau — a republic comprising a group of islands in the W Pacific, in the W Caroline Islands; administratively part of the UN Trust Territory of the Pacific Islands 1947–87; entered into an agreement of free association with the US (1980); became fully independent in 1994. Chief island: Babelthuap. Capital: Ngerulmud on Babelthuap (functions moved from Koror in 2006). Pop: 21 108 (2013 est). Area: 476 sq km (184 sq miles)
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- return on capital — A return on capital is any earnings that you receive from the capital that you have invested.
- revascularization — the restoration of the blood circulation of an organ or area, achieved by unblocking obstructed or disrupted blood vessels or by surgically implanting replacements.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
- rotary cultivator — a machine for breaking up and tilling soil, consisting of a series of blades mounted on a revolving power-driven shaft
- scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
- secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- securities dealer — a person who buys and sells securities
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-renunciation — renunciation of one's own will, interests, etc.
- shirt-tail cousin — a distant cousin
- silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
- socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
- 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 the circle — a rectangle having all four sides of equal length.
- 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.
- 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
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- supercolumniation — the placing of one order of columns above another.
- 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.
- terminal juncture — a form of juncture consisting of a change in pitch before a pause, marking the end of an utterance or a break between utterances, as between clauses. Compare close juncture, juncture (def 7), open juncture.
- territorial court — a court established in U.S. territories that is empowered to hear local and federal cases.