15-letter words containing s, y, n, d, a
- neutral density — black, white, or a shade of grey; a colourless tone
- nicholas ridley — Nicholas, c1500–55, English bishop, reformer, and martyr.
- nondisciplinary — of, for, or constituting discipline; enforcing or administering discipline: disciplinary action.
- normally-closed — Normally-closed switch contacts are in a closed state at rest.
- northeastwardly — Towards the northeast.
- northwestwardly — Towards the northwest.
- oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.
- orangeman's day — the 12th of July, celebrated by Protestants in Northern Ireland to commemorate the anniversary of the Battle of the Boyne (1690)
- orangemen's day — July 12, an annual celebration in Northern Ireland and certain cities having a large Irish section, especially Liverpool, to mark both the victory of William III over James II at the Battle of the Boyne, July 1, 1690, and the Battle of Augbrim, July 12, 1690.
- ordinary seaman — a seaman insufficiently skilled to be classified as an able-bodied seaman. Abbreviation: O.D., O.S., o.s.
- ordinary shares — British. a share of common stock.
- ordnance survey — mapmaking agency
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- pay-and-display — denoting a car-parking system in which a motorist buys a permit to park for a specified period from a coin-operated machine and displays the permit on or near the windscreen of his or her car so that it can be seen by a parking attendant
- platitudinously — in a platitudinal manner
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- presidents' day — the third Monday in February, a legal holiday in the U.S., commemorating the birthdays of George Washington and Abraham Lincoln.
- pseudopregnancy — Pathology, Veterinary Pathology. false pregnancy.
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- radar astronomy — the branch of astronomy that uses radar to map the surfaces of planetary bodies, as the moon and Venus, and to determine periods of rotation.
- radio astronomy — the branch of astronomy that utilizes extraterrestrial radiation in radio wavelengths rather than visible light for the study of the universe.
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- ranfurly shield — (in New Zealand) the premier rugby trophy, competed for annually by provincial teams
- ray-finned fish — any of various bony fishes of the subclass Actinopterygii, having strong slender rays, excluding the coelacanth and lungfish.
- ready-furnished — (of a room, house, office, etc) fitted with furniture before being rented or sold
- rogation sunday — the fifth Sunday after Easter; it sees the start of the supplications that are continued during the following Monday, Tuesday and Wednesday
- salivary glands — any of several glands, as the submaxillary glands, that secrete saliva.
- san jacinto day — a legal holiday observed in Texas on April 21.
- sanitary cordon — cordon sanitaire.
- say one's beads — to pray with a rosary
- secondary cause — a cause which is not the primary or ultimate cause
- secondary color — a color, as orange, green, or violet, produced by mixing two primary colors.
- secondary group — a group of people with whom one's contacts are detached and impersonal.
- secondary metal — metal derived wholly or in part from scrap.
- secondary xylem — xylem derived from the cambium during secondary growth.
- semicylindrical — of, relating to, or having the shape of a semicylinder
- semidocumentary — a film or television programme that is fictional but includes many factual events or details
- single-handedly — in a single-handed manner; single-handed.
- social dynamics — the study of social processes, especially social change.
- 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)
- spratly islands — a widely-scattered group of uninhabited islets and reefs in the S South China Sea, the subject of territorial claims wholly or in part by six neighbouring nations
- stand-up comedy — telling jokes to an audience
- subsidiary coin — a coin, especially one made of silver, having a value less than that of the monetary unit.
- superabundantly — very or too abundantly
- surface density — quantity, as of electric charge, per unit surface area.
- sustained yield — the continuing supply of a natural resource, as timber, through scheduled harvests to insure replacement by regrowth or reproduction.
- synecdochically — a figure of speech in which a part is used for the whole or the whole for a part, the special for the general or the general for the special, as in ten sail for ten ships or a Croesus for a rich man.
- the present day — The present day is the period of history that we are in now.