17-letter words containing r, o, u, n, d, e
- radioluminescence — luminescence induced by nuclear radiation.
- recreation ground — an open space for public recreation, esp one in a town, with swings and slides, etc, for children
- recreational drug — drug taken for pleasure
- redistributionist — a person who believes in, advocates, or supports income redistribution.
- reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
- 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
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- rio grande do sul — a state in S Brazil. 107,923 sq. mi. (279,520 sq. km). Capital: Pôrto Alegre.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
- rural development — social or economic activities or initiatives designed to improve the standard of living in areas far away from large towns or cities
- sandringham house — a residence of the royal family, in Sandringham, a village in E England, in Norfolk near the E shore of the Wash
- 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.
- self-introduction — the act of introducing or the state of being introduced.
- self-reproduction — the act or process of reproducing.
- sheltered housing — accommodation designed esp for the elderly or infirm consisting of a group of individual premises, often with some shared facilities and a caretaker
- shetland pullover — a thick woollen sweater made from Shetland wool
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- 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.
- south farmingdale — a town on central Long Island, in SE New York.
- south frigid zone — the part of the earth's surface between the Antarctic Circle and the South Pole.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
- southern studfish — See under studfish.
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- 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.
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- subordinated debt — a debt that an unsecured creditor can only claim, in the event of a liquidation, after the claims of secured creditors have been paid
- 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.
- 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.
- supervision order — an order by a juvenile court requiring a named probation officer or local-authority social worker to advise, assist, and befriend a child or young person who is the subject of care proceedings, over a period of up to three years
- 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.
- surrender to bail — to present oneself at court at the appointed time after having been on bail
- survivor syndrome — a characteristic group of symptoms, including recurrent images of death, depression, persistent anxiety, and emotional numbness, occurring in survivors of disaster.
- suspension bridge — a bridge having a deck suspended from cables anchored at their extremities and usually raised on towers.
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- teacher education — training to become a teacher, usually at an institution of higher education
- temporomandibular — of, relating to, or situated near the hinge joint formed by the lower jaw and the temporal bone of the skull.
- the underemployed — underemployed people
- theodore sturgeon — Theodore (Hamilton) 1918–85, U.S. science-fiction writer.
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- thread escutcheon — a raised metal rim around a keyhole.
- to lose your mind — If you say that someone is losing their mind, you mean that they are becoming mad.
- to open your mind — If something opens your mind to new ideas or experiences, it makes you more willing to accept them or try them.
- tongue-and-groove — the technique of making a joint between two boards by means of a tongue along the edge of one board that fits into a groove along the edge of the other board