19-letter words containing a, n, g, r, i, l
- releasing mechanism — a hypothetical control complex in the central nervous system of animals that triggers the appropriate behavioral response to a releaser.
- relief organization — humanitarian group
- religious education — religion as school subject
- revival of learning — the Renaissance in its relation to learning, especially in literature (Revival of Literature or Revival of Letters)
- right circular cone — a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a perpendicular through the center of the circle.
- santiago del estero — a city in N Argentina.
- screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
- sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- self-aggrandizement — increase of one's own power, wealth, etc., usually aggressively.
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- sexual stereotyping — the formation or promotion of a fixed general idea or image of how men and women will behave
- sidereal hour angle — the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.
- 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
- 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
- social anthropology — study of human culture
- social organization — the structure of social relations within a group, usually the relations between its subgroups and institutions.
- splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
- st.-germain-en-laye — a city in N France, near Paris: royal château and forest; treaties 1570, 1632, 1679, 1919.
- standing martingale — martingale (def 1).
- 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.
- structural engineer — A structural engineer is an engineer who works on large structures such as roads, bridges, and large buildings.
- submandibular gland — either of a pair of salivary glands located one on each side of and beneath the lower jaw.
- sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- 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.
- talleyrand-perigord — Charles Maurice de [sharl moh-rees duh] /ʃarl moʊˈris də/ (Show IPA), Prince de Bénévent [duh bey-ney-vahn] /də beɪ neɪˈvɑ̃/ (Show IPA), 1754–1838, French statesman.
- tarnished plant bug — a bug, Lygus lineolaris, of the family Miridae, that is a common and widely distributed pest of alfalfa and other legumes and of peach and other fruit trees.
- terminating decimal — a decimal numeral in which, after a finite number of decimal places, all succeeding place values are 0, as ⅛ = 0.125 (contrasted with nonterminating decimal).
- the cultural cringe — subservience to overseas cultural standards
- the genuine article — If you describe something as the genuine article, you are emphasizing that it is genuine, and often that it is very good.
- the golden triangle — an opium-producing area of SE Asia, comprising parts of Myanmar, Laos, and Thailand
- therapeutic cloning — the permitted creation of cloned human tissues for surgical transplant
- thread-line fishing — spinning (def 3).
- three-point landing — an aircraft landing in which the two wheels of the main landing gear and the tail or nose wheel touch the ground simultaneously.
- to go blackberrying — to go on an outing to collect blackberries
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- traveling-wave tube — an electron tube used in microwave communications systems, having an electron beam directed coaxially through a wire helix to produce amplification.
- travelling expenses — expenses that are paid to someone, for example, by their employer, for the costs they need to travel
- travelling salesman — A travelling salesman is a salesman who travels to different places and meets people in order to sell goods or take orders.
- trentino-alto adige — a region in NE Italy. 870,238; 5256 sq. mi. (13.615 sq. km).
- triangle inequality — the theorem that the absolute value of the sum of two quantities is less than or equal to the sum of the absolute values of the quantities.
- triangulum australe — a small bright triangular constellation in the S hemisphere, lying between Ara and the Southern Cross, that contains an open star cluster
- trifacial neuralgia — tic douloureux.
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- ultrasonic cleaning — the use of ultrasound to vibrate a piece to be cleaned while the piece is immersed in a cleaning fluid. The process produces a very high degree of cleanliness, and is used for jewellery and ornately shaped items
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- vaginal intercourse — intercourse involving insertion of the penis into the vagina
- virginia-rail-fence — snake fence.