15-letter words containing a, s, i, d, o
- rowland heights — a city in SW California, near Los Angeles.
- sadomasochistic — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- san jacinto day — a legal holiday observed in Texas on April 21.
- sandwich course — A sandwich course is an educational course in which you have periods of study between periods of being at work.
- sanitary cordon — cordon sanitaire.
- satin bowerbird — the largest Australian bowerbird, Ptilonorhynchus violaceus, the male of which has lustrous blue plumage
- school holidays — the period during which schools are closed - in the summer, at Christmas and Easter, and at other times of the year
- scotch highland — any of a breed of small, hardy, usually dun-colored, shaggy-haired beef cattle with long, widespread horns, able to withstand the cold and sparse pasturage of its native western Scottish uplands.
- seaside sparrow — a species of sparrow, Ammospiza maritima, existing in two subspecies, one (Cape Sable seaside sparrow) having dark olive-drab plumage with a lighter breast and underbelly, and the other (dusky seaside sparrow) having bold black and white markings on the breast and underbelly: the dusky seaside sparrow is almost extinct.
- securicor guard — a guard who works for Securicor
- self-admiration — a feeling of wonder, pleasure, or approval.
- self-authorized — given or endowed with authority: an authorized agent.
- self-dedication — the act of dedicating.
- self-diagnostic — the diagnosis of one's own malady or illness.
- self-inoculated — to implant (a disease agent or antigen) in a person, animal, or plant to produce a disease for study or to stimulate disease resistance.
- self-medication — the use of medicine without medical supervision to treat one's own ailment.
- self-proclaimed — to announce or declare in an official or formal manner: to proclaim war.
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- sewage disposal — waste processing
- shadow minister — a member of the main opposition party in Parliament who would hold ministerial office if their party were in power
- shield of david — a hexagram used as a symbol of Judaism.
- shopping arcade — a place where a number of shops are connected together under one roof
- shortwave radio — a radio that transmits or receives shortwaves.
- sidereal period — the period of revolution of a body about another with respect to one or more distant stars
- silicon carbide — a very hard, insoluble, crystalline compound, SiC, used as an abrasive and as an electrical resistor in objects exposed to high temperatures.
- silver quandong — an Australian tree, Elaeocarpus grandis: family Elaeocarpaceae
- sinistrodextral — moving or extending from the left to the right.
- sinoatrial node — a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions.
- sistine madonna — a Madonna painted by Raphael for the Church of St. Sixtus at Piacenza, Italy.
- sled cultivator — go-devil (def 5).
- sleight of hand — skill in feats requiring quick and clever movements of the hands, especially for entertainment or deception, as jugglery, card or coin magic, etc.; legerdemain.
- smoking-related — (of a disease, illness, etc) caused by smoking tobacco, etc
- social democrat — a person who advocates a gradual transition to socialism or a modified form of socialism by and under democratic political processes.
- social distance — the extent to which individuals or groups are removed from or excluded from participating in one another's lives.
- social drinking — the practice of drinking alcohol occasionally and usually only in social situations
- social dynamics — the study of social processes, especially social change.
- social spending — the money that is spent on welfare payments
- social standing — a person's status or social class in society
- social-drinking — a person who drinks alcoholic beverages usually in the company of others and is in control of his or her drinking.
- society islands — a group of islands in the S Pacific: administratively part of French Polynesia; consists of the Windward Islands and the Leeward Islands; became a French protectorate in 1843 and a colony in 1880. Pop: 214 445 (2002). Area: 1595 sq km (616 sq miles)
- socratic method — the use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition.
- sodium arsenite — a white or grayish-white, water-soluble, poisonous powder, NaAsO 2 , used chiefly in arsenical soaps for hides, as an insecticide, and as a weed-killer.
- sodium benzoate — a white crystalline soluble compound used as an antibacterial and antifungal agent in preserving food (E211), as an antiseptic, and in making dyes and pharmaceuticals. Formula: (C6H5COO)Na
- sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
- sodium citrates — the sodium salts of citric acid (monosodium citrate, disodium citrate, trisodium citrate)
- sodium ethylate — a white, hygroscopic powder, C 2 H 5 ONa, that is decomposed by water into sodium hydroxide and alcohol: used chiefly in organic synthesis.
- sodium silicate — a substance having the general formula, Na2O.xSiO2, where x varies between 3 and 5, existing as an amorphous powder or present in a usually viscous aqueous solution
- sodium stearate — Sodium stearate is a salt of stearic acid used as a surfactant (= a substance that reduces the surface tension of a liquid and allows it to foam) in order to aid the solubility of hydrophobic substances in oral medicines.
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- solar radiation — energy radiated from the sun in the form of electromagnetic waves, including visible and ultraviolet light and infrared radiation.