12-letter words containing r, a, u, s
- rhizophagous — feeding on roots.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- road surface — the surface of the road, often asphalt
- rogue's yarn — a yarn of distinctive color, material, or twist, laid in a strand or strands of a rope to identify the owner or the maker.
- rous sarcoma — a malignant tumor occurring in the connective tissue of poultry, caused by a transmissible RNA-containing virus.
- rubber stamp — handheld printing tool
- rubber-stamp — to imprint with a rubber stamp.
- rummage sale — a sale of miscellaneous articles, old or new, as items contributed to raise money for charity, of unclaimed goods at a wharf or warehouse, or of odds and ends of merchandise at a shop.
- run commands — (operating system) The expansion of the file name suffix, "rc", common to many Unix configuration files, e.g. .newsrc, .cshrc, .twmrc, elmrc, etc. Always abbreviated to /R C/ when spoken. Note, "rc" is not a typical filename extension as it doesn't start with a dot. The suffix "rc" derives from a script-creation utility in CTSS called "runcom".
- runaway star — a star with an unusually high proper motion, believed to result from its ejection from a nearby binary system when its companion star underwent a supernova explosion.
- rush matting — a floor covering made from rushes (plants of the genus Juncus)
- russian blue — any of a breed of domestic cat, thought to have originated in Arkhangelsk, with a soft, dense, grayish-blue or silvery-blue coat and green eyes
- russian doll — wooden figures that nest inside one other
- russian zone — a zone in Germany controlled by the Soviet Union 1945–89.
- rutlandshire — a former county, now part of Leicestershire, in central England.
- sacred lotus — Indian lotus.
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- safe harbour — a place that offers protection from the weather, attack, etc
- safe surfing — the practice of using security measures to protect one's computer while surfing the internet
- sail through — If someone or something sails through a difficult situation or experience, they deal with it easily and successfully.
- saint hubert — a borough in S Quebec, Canada, just E of Montreal.
- saint-brieuc — a department in NW France. 2787 sq. mi. (7220 sq. km). Capital: Saint-Brieuc.
- saint-hubert — town in S Quebec, Canada: part of metropolitan Montreal: pop. 77,000
- salad burnet — a plant, Poterium sanguisorba, of the rose family, native to Eurasia, having rounded heads of small, greenish flowers in short spikes and edible leaves.
- salmon trout — a European trout, Salmo trutta.
- salutatorian — (in some U.S. schools and colleges) the student ranking second highest in the graduating class, who delivers the salutatory at commencement.
- salutatorium — a porch or room in a monastery or church serving as a meeting or almsgiving place for monks or priests and the laity.
- salutiferous — salutary.
- samuel lover — Samuel, 1797–1868, Irish novelist, painter, and songwriter.
- samuel morse — Jedidiah [jed-i-dahy-uh] /ˌdʒɛd ɪˈdaɪ ə/ (Show IPA), 1761–1826, U.S. geographer and Congregational clergyman (father of Samuel F. B. Morse).
- samurai bond — a bond issued in Japan and denominated in yen, available for purchase by nonresidents of Japan
- sandrocottus — Greek name of Chandragupta.
- sanguiferous — conveying blood, as a blood vessel.
- sanguivorous — feeding on blood, as a bat or insect.
- saprophagous — (of an organism) feeding on dead or decaying animal matter.
- sarcophagous — carnivorous.
- saronic gulf — an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.
- sarrusophone — a metal double-reed wind instrument with a conical bore, related to the oboe and used especially in military bands.
- satsuma ware — a Japanese pottery from Kyushu, first produced in the early 17th century and after 1800 having a crackle glaze and overglaze polychrome enameling and gilding.
- saturability — capable of being saturated.
- saudi arabia — a kingdom in N and central Arabia, including Hejaz, Nejd, and dependencies. About 600,000 sq. mi. (1,554,000 sq. km). Capital: Riyadh.
- saunteringly — in a sauntering manner
- sausage curl — a lock of hair formed into a curl resembling a sausage in shape.
- sausage roll — A sausage roll is a small amount of sausage meat which is covered with pastry and cooked.
- sausage tree — a tropical African tree, Kigelia pinnata, having red, bell-shaped flowers and large, sausage-shaped fruits hanging from very long stalks.
- scare quotes — quotation marks placed around a word or phrase to indicate that it should not be taken literally or automatically accepted as true
- schopenhauer — Arthur [ahr-too r] /ˈɑr tʊər/ (Show IPA), 1788–1860, German philosopher.
- scouring pad — a small pad, as of steel wool or plastic mesh, used for scouring pots, pans, etc.
- scout around — search
- scout leader — the leader of a troop of Scouts