13-letter words containing a, y, s
- river estuary — a river mouth
- road surveyor — a person who does surveying work for road building
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- roxas y acuña — Manuel (maˈnwel). 1892–1948, Philippine statesman; first president of the Republic of the Philippines (1946–48)
- royal marines — a corps of soldiers specially trained in amphibious warfare
- royal society — The Royal Society of London for the Advancement of Science, a society through which the British government has supported scientific investigation since 1662: awards four annual medals.
- rr lyrae star — Astronomy. one of a group of pulsating variable stars found in the halo of the Milky Way, with periods between 1.2 and 30 hours; all have approximately the same luminosity and are therefore used for measuring distances.
- saccharimetry — the process of measuring the amount of sugar in a sample, as with a saccharimeter or by polarimetry.
- saccharolytic — of or causing the hydrolysis of sugars.
- saccharometry — the process of determining the quantity of sugar in a solution
- saccharomyces — a fungus of the genus Saccharomyces, esp the yeast plant
- sacramentally — of, relating to, or of the nature of a sacrament, especially the sacrament of the Eucharist.
- sacrifice fly — a fly ball when there are fewer than two players out that enables a base runner, usually at third base, to score after the ball is caught.
- sacrificially — pertaining to or concerned with sacrifice.
- sacrosanctity — extremely sacred or inviolable: a sacrosanct chamber in the temple.
- safety device — A safety device is a piece of equipment such as a fire extinguisher, safety belt, or burglar alarm that reduces loss or damage from a fire, accident, or break-in.
- safety factor — the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.
- safety helmet — protective hard hat
- safety island — an area provided for the safety of pedestrians from vehicular traffic, as between lanes on a busy street or highway.
- safety lintel — an auxiliary lintel concealed behind a visible lintel, arch, etc.
- safety margin — something required to ensure safety
- safety screen — a screen covering a work area and protecting people and equipment from fire and other danger
- saint anthony — Antony, Mark.
- saint gregory — Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85.
- saint-exupery — Antoine de [ahn-twan duh] /ɑ̃ˈtwan də/ (Show IPA), 1900–45, French author and aviator.
- salary earner — someone who earns a fixed regular payment made by an employer, often monthly, for professional or office work as opposed to manual work
- salary review — the, often annual, assessment or review of the salary or paid to an employee, where decisions are taken on whether the employee's pay should be increased, etc
- salpingectomy — excision of the Fallopian tube.
- salpingostomy — the formation of an artificial opening into a Fallopian tube.
- sample survey — a survey of particular examples of sth, intended as representative of the whole category
- san pablo bay — the N part of San Francisco Bay, in W California.
- sanctifyingly — in a sanctifying manner
- sand-yachting — the sport of riding in a sand yacht
- sandfly fever — a usually mild viral disease occurring in hot, dry areas, characterized by fever, eye pain, and sometimes a rash, transmitted by sandflies of the genus Phlebotomus.
- sanitary belt — a narrow belt, usually of elastic, for holding a sanitary napkin in place.
- sanitary ware — plumbing fixtures, as sinks or toilet bowls, made of ceramic material or enameled metal.
- sarcastically — of, relating to, or characterized by sarcasm: a sarcastic reply.
- saturnalianly — in a saturnalian or dissolute manner
- savoy cabbage — a variety of cabbage having a compact head of crinkled, blistered leaves.
- saxony-anhalt — a state in central Germany. 9515 sq. mi. (24,644 sq. km). Capital: Magdeburg.
- scalariformly — in a scalariform or ladder-like manner
- scaphocephaly — premature closure of the sagittal suture resulting in a deformed skull having an elongated, keellike shape.
- scarcely ever — almost never, seldom
- schematically — pertaining to or of the nature of a schema, diagram, or scheme; diagrammatic.
- sclerotherapy — Medicine/Medical. a treatment for varicose veins in which blood flow is diverted and the veins collapsed by injection of a hardening solution, also used cosmetically in spider veins to eliminate discoloration.
- scotland yard — a short street in central London, England: formerly the site of the London police headquarters, which were removed 1890 to a Thames embankment (New Scotland Yard, ).
- screaming tty — [Unix] A terminal line which spews an infinite number of random characters at the operating system. This can happen if the terminal is either disconnected or connected to a powered-off terminal but still enabled for login; misconfiguration, misimplementation, or simple bad luck can start such a terminal screaming. A screaming tty or two can seriously degrade the performance of a vanilla Unix system; the arriving "characters" are treated as userid/password pairs and tested as such. The Unix password encryption algorithm is designed to be computationally intensive in order to foil brute-force crack attacks, so although none of the logins succeeds; the overhead of rejecting them all can be substantial.
- scullery maid — a maid whose duties include washing up and vegetable preparation
- scythian lamb — a fern, Cibotium barometz, of southeastern Asia, having stalks covered with shaggy, brownish hair and large, feathery leaves, formerly believed to be a source of vegetable wool.
- sea butterfly — any member of the gastropod order Pteropoda, shelled marine mollusks so called for their ability to swim using winglike extensions of the foot.