20-letter words containing a, i, r
- royal air force list — an official list of all serving commissioned officers of the RAF and reserve officers liable for recall
- royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
- royal leamington spa — a city in Warwickshire, central England: health resort.
- sailor's breastplate — a knot consisting of three overlapping loops formed by a single rope passed alternately over and under itself at crossings.
- saint andrew's cross — a low evergreen shrub, Ascyrum hypericoides, native to temperate and subtropical America, having flowers in clusters of three: often cultivated.
- saint anthony's fire — any of certain skin conditions that are of an inflammatory or gangrenous nature, as erysipelas, hospital gangrene, or ergotism.
- saint george's cross — the Greek cross as used in the flag of Great Britain.
- saint mary magdalene — a woman of Magdala (ˈmæɡdələ ) in Galilee whom Jesus cured of evil spirits (Luke 8:2) and who is often identified with the sinful woman of Luke 7:36–50. In Christian tradition she is usually taken to have been a prostitute. Feast day: July 22
- sales representative — a person or organization designated by a company to solicit business on its behalf in a specified territory or foreign country: I suggest you contact our Chicago sales representative.
- sanitary engineering — a branch of civil engineering dealing with matters affecting public health, as water supply or sewage disposal.
- santa cruz operation — (SCO) A supplier of Unix systems for Intel microprocessors. They supply Xenix and Open Desktop. Founded in 1979, SCO became a public company in May, 1993 and trades on the Nasdaq National Market System under the symbol SCOC. SCO maintains its world headquarters in Santa Cruz, California, USA; a European headquarters in Watford, England; a Government Systems Group in Reston, Virginia; and offices in Asia, Australia, Canada, Latin America, and throughout Europe and the United States. In February 1993, SCO acquired IXI Limited of Cambridge, England, the leading supplier of Unix System windowing software.
- sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
- satellite chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
- satellite photograph — a photograph taken by an artificial satellite from space
- saxe-weimar-eisenach — a former grand duchy in Thuringia in central Germany.
- scatter site housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
- schizoid personality — sb with identity disorder
- schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
- schwarzschild radius — the radius at which a gravitationally collapsing celestial body becomes a black hole.
- schwarzschild sphere — the sphere which surrounds a non-rotating uncharged black hole, from within which no information can escape because of gravitational forces
- season ticket holder — a person who has a season ticket
- seating arrangements — the seating plan for a formal occasion
- second international — an international association formed in 1889 in Paris, uniting socialistic groups or parties of various countries and holding international congresses from time to time: in 1923 it joined with the Vienna International to form the Labor and Socialist International. Compare international (def 6).
- secure accommodation — an institution where young offenders are kept in custody
- security association — (networking) The relationship between two or more entities (typically, a computer, but could be a user on a computer, or software component) which describes how the entities will use security services, such as encryption, to communicate. See RFC 1825.
- self-differentiating — to form or mark differently from other such things; distinguish.
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- senior aircraftwoman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- sensitivity training — a form of group therapy designed to develop understanding of oneself and others through free, unstructured discussion.
- separation allowance — an allowance paid to a member of the military when they are forced to be apart from their family due to their military duties
- separation of powers — the principle or system of vesting in separate branches the executive, legislative, and judicial powers of a government.
- sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
- serious fraud office — a UK government office responsible for investigating and prosecuting serious fraud cases
- serra da mantiqueira — a mountain range in SE Brazil, running parallel to the coast. Highest point, 9140 feet (2785 meters).
- serve a person right — to pay a person back, esp for wrongful or foolish treatment or behaviour
- service access point — (networking) (SAP) The OSI term for the component of a network address which identifies the individual application on a host which is sending or receiving a packet. Different SAPs distinguish between different services or applications on a host, e.g. electronic mail, FTP, HTTP.
- set the ball rolling — to open or initiate (an action, discussion, movement, etc)
- sex change operation — a surgical operation designed to change a person's physical sexual characteristics to those of the opposite sex
- shareholders' equity — Shareholders' equity is the total amount of ownership investment in a company.
- sharp-tailed sparrow — a sparrow, Ammospiza caudacuta, inhabiting salt marshes in North America, having narrow, sharply pointed tail feathers.
- shear transformation — a map of a coordinate space in which one coordinate is held fixed and the other coordinate or coordinates are shifted.
- shibah asar betammuz — Shivah Asar Betammuz.
- shivah asar betammuz — a Jewish fast day observed on the 17th day of Tammuz in memory of the breach of the walls of Jerusalem by the Romans in a.d. 70.
- short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
- shoulder-length hair — hair that reaches a person's shoulders
- sierra madre del sur — a plateau mountain range in Guerrero and Oaxaca states, S Mexico. Highest peak 12,149 feet (3703 meters).
- silicon tetrahydride — silane (def 1).
- sinfonia concertante — a type of concerto for two or more solo instruments accompanied by an orchestra
- sir william berkeley — Busby [buhz-bee] /ˈbʌz bi/ (Show IPA), (William Berkeley Enos) 1895–1976, U.S. choreographer and musical-film director.
- small craft advisory — a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.