17-letter words containing a, n, d, s, o
- 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 construction — the building of roads
- ross and cromarty — a historic county in NW Scotland.
- russian wolfhound — borzoi.
- sable island pony — a variety of wild pony found on Sable Island, Nova Scotia
- sacred roman rota — rota1 (def 3).
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
- samurai tradition — the body of customs, thought, practices, etc belonging to the samurai warrior caste of Japan
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- sandringham house — a residence of the royal family, in Sandringham, a village in E England, in Norfolk near the E shore of the Wash
- sandro botticelli — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- santa rosa island — an island off the coast of California, in the Santa Barbara (Channel Islands) of California. 17 miles (27 km) long.
- saturation diving — a method of prolonged diving, using an underwater habitat to allow divers to remain in the high-pressure environment of the ocean depths long enough for their body tissues to become saturated with the inert components of the pressurized gas mixture that they breathe: when this condition is reached, the amount of time required for decompression remains the same, whether the dive lasts a day, a week, or a month.
- sawed-off shotgun — rifle with a short barrel
- school attendance — a measure of the number of children who attend school and the amount of time they are present
- school playground — school's outdoor recreation area
- sea-island cotton — a long-staple cotton, Gossypium barbadense, raised originally in the Sea Islands and now grown chiefly in the West Indies.
- second balkan war — Balkan War (def 2).
- second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
- second generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
- second lieutenant — an Army, Air Force, or Marine officer of the lowest commissioned rank. Compare ensign (def 4).
- second-generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
- second-hand smoke — from sb else's cigarette
- second-in-command — A second-in-command is someone who is next in rank to the leader of a group, and who has authority to give orders when the leader is not there.
- secondary battery — storage battery.
- secondary boycott — a boycott by union members against their employer in order to induce the employer to bring pressure on another company involved in a labor dispute with the union.
- secondary contact — communication or relationship between people characterized by impersonal and detached interest on the part of those involved.
- secondary glazing — insulation by means of a second pane of glass, or a sheet of plastic: a simple form of double glazing
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- 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.
- secondary rainbow — a faint rainbow formed by light rays that undergo two internal reflections in drops of rain, appearing above the primary rainbow and having its colors in the opposite order.
- secondary sealing — Secondary sealing is a system of wiper seals used in floating roof tanks.
- secondary winding — A secondary winding is the winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
- self-acknowledged — widely recognized; generally accepted: an acknowledged authority on Chinese art.
- self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
- self-condemnation — the act of condemning.
- self-dissociation — an act or instance of dissociating.
- set on a pedestal — an architectural support for a column, statue, vase, or the like.
- set one's hand to — to sign (a document)
- shetland pullover — a thick woollen sweater made from Shetland wool
- shetland sheepdog — one of a breed of small sheepdogs resembling a miniature collie, raised originally in the Shetland Islands.
- shopping bag lady — bag lady (def 1).
- shopping-bag lady — bag lady (def 1).
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- shouting distance — hailing distance.
- sinbad the sailor — a merchant in The Arabian Nights who makes seven adventurous voyages
- single-track road — a road that is only wide enough for one vehicle