17-letter words containing u, d, c
- sb could do worse — If you tell someone that they could do worse than do a particular thing, you are advising them that it would be quite a good thing to do.
- school playground — school's outdoor recreation area
- search and rescue — Search and rescue operations involve looking for people who are lost or in danger, for example, after a war or a natural disaster, and bringing them back safely.
- second lieutenant — an Army, Air Force, or Marine officer of the lowest commissioned rank. Compare ensign (def 4).
- secondary product — a product that is not the main product of an industry; a by-product
- 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-introduction — the act of introducing or the state of being introduced.
- self-reproduction — the act or process of reproducing.
- semi-manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
- shouting distance — hailing distance.
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- socially excluded — suffering from social exclusion
- socially included — benefiting from social inclusion
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium salicylate — a white, crystalline compound, C 7 H 5 NaO 3 , soluble in water, alcohol, and glycerol: used in medicine as an analgesic, antipyretic, and anti-inflammatory, and as a preservative.
- sound effects man — a man 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
- sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
- special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
- specific humidity — the ratio of the mass of water vapor in air to the total mass of the mixture of air and water vapor.
- spectrum disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
- speech difficulty — a problem encountered in speaking
- 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.
- st. vitus's dance — St. Vitus's dance.
- stand-up comedian — performer: tells jokes
- 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.
- stockbroker tudor — a modern style of architecture popular in affluent suburban areas that is imitative of Tudor architecture
- sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
- sum and substance — main idea, gist, or point: the sum and substance of an argument.
- sunday observance — the fact of keeping Sunday as a special day when people go to church
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
- supreme commander — the military officer commanding all allied forces in a theater of war.
- surface condenser — a device condensing steam or vapor by passing it over a cool surface.
- surgical dressing — a dressing made of cotton, used for incisions made during surgery
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- take into custody — to arrest
- teacher education — training to become a teacher, usually at an institution of higher education
- the cold shoulder — a show of indifference; slight
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- thousandths-place — last in order of a series of a thousand.
- thread escutcheon — a raised metal rim around a keyhole.
- to get psyched up — to prepare mentally
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
- 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.
- tuberculin-tested — (of milk) produced by cows that have been certified as free of tuberculosis
- turbidity current — a turbid, dense current of sediments in suspension moving along the slope and bottom of a lake or ocean.