19-letter words containing l, r, t, a
- senatorial courtesy — the practice in the U.S. Senate of confirming only those presidential appointees approved by both senators from the state of the appointee, or by the senior senator of the president's party.
- senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
- sexual inter-course — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
- sexual reproduction — reproduction involving the union of gametes.
- sexual stereotyping — the formation or promotion of a fixed general idea or image of how men and women will behave
- sharp-tailed grouse — a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
- short-tail business — Short-tail business is insurance business where it is known that claims will be made and settled quickly.
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- sissinghurst castle — a restored Elizabethan mansion near Cranbrook in Kent: noted for the gardens laid out in the 1930s by Victoria Sackville-West and Harold Nicolson
- slate-colored junco — the eastern subspecies of the dark-eyed junco, Junco hyemalis, having grayer plumage than the several western subspecies.
- slugging percentage — a number expressing a player's average effectiveness in making extra-base hits, calculated by dividing the total number of bases (from all singles, doubles, triples, and home runs) by the number of official at bats
- small advertisement — a short, simply designed advertisement in a newspaper or magazine, usually set entirely in a small size of type
- social anthropology — study of human culture
- social organization — the structure of social relations within a group, usually the relations between its subgroups and institutions.
- social security act — a law passed in 1935 providing old-age retirement insurance, a federal-state program of unemployment compensation, and federal grants for state welfare programs.
- solar neutrino unit — Astronomy. a unit equal to 10 −36 neutrino captures per second per target atom, used as a measure of the flux of neutrino radiation from the sun. Abbreviation: SNU.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- soviet central asia — the region of the former Soviet Union now occupied by Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan
- special partnership — limited partnership.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- squirrel-tail grass — any of various grasses having long fruiting stalks.
- st. lawrence seaway — a series of channels, locks, and canals between Montreal and the mouth of Lake Ontario, a distance of 182 miles (293 km), enabling most deep-draft vessels to travel from the Atlantic Ocean, up the St. Lawrence River, to all the Great Lakes ports: developed jointly by the U.S. and Canada.
- st.-germain-en-laye — a city in N France, near Paris: royal château and forest; treaties 1570, 1632, 1679, 1919.
- stabilization print — a print made by the stabilization process.
- stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
- standing martingale — martingale (def 1).
- steamroller tactics — repressive tactics
- sternocleidomastoid — of, relating to, or involving the sternum, the clavicle, and the mastoid process.
- stochastic variable — a random variable.
- strain at the leash — to be impatient to have freedom from restraint
- strait of gibraltar — a narrow strait between the S tip of Spain and the NW tip of Africa, linking the Mediterranean with the Atlantic
- straits settlements — a former British crown colony in SE Asia: included the settlements of Singapore, Penang, Malacca, and Labuan.
- strangulated hernia — a hernia, especially of the intestine, that swells and constricts the blood supply of the herniated part, resulting in obstruction and gangrene.
- streaming potential — the potential produced in the walls of a porous membrane or a capillary tube by forcing a liquid through it.
- strike a false note — to behave inappropriately
- structural engineer — A structural engineer is an engineer who works on large structures such as roads, bridges, and large buildings.
- subnuclear particle — any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.
- sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- sun-and-planet gear — a planetary epicyclic gear train.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- supernatural virtue — one of the three graces: faith, hope, or charity, infused into the human intellect and will by a special grace of God.
- supplementary angle — either of two angles that added together produce an angle of 180°.
- supplementary story — follow-up (def 3b).
- suspensory ligament — any of several tissues that suspend certain organs or parts of the body, especially the transparent, delicate web of fibrous tissue that supports the crystalline lens.
- sweetheart neckline — a neckline on a woman's garment, as a dress, with a high back and a low-cut front with two curved edges resembling the conventionalized shape of a heart.
- take it or leave it — If you say to someone 'take it or leave it', you are telling them that they can accept something or not accept it, but that you are not prepared to discuss any other alternatives.
- take sth personally — If you take someone's remarks personally, you are upset because you think that they are criticizing you in particular.