12-letter words containing w, a
- rainbow fish — guppy.
- rainbow flag — a multicoloured flag used as a symbol of peace; often used to represent gay and lesbian pride
- rainbow roof — a gable roof in the form of a broad Gothic arch, with gently sloping convex surfaces.
- randallstown — a city in N Maryland, near Baltimore.
- raoult's law — the principle that the fraction by which the vapor pressure of a solvent is lowered by the addition of a nonvolatile, nonelectrolytic solute is equal to the mole fraction of the solute in the solution.
- ratchet down — If something ratchets down or is ratcheted down, it decreases by a fixed amount or degree, and seems unlikely to increase again.
- rate of flow — the rate at which a liquid or other substance flows through a particular channel, pipe etc
- raw material — material before being processed or manufactured into a final form.
- reading week — university: week-long break from classes
- ready-witted — having a quick wit or intelligence.
- reality show — A reality show is a type of television program that aims to show how ordinary people behave in everyday life, or in situations, often created by the program makers, which are intended to represent everyday life.
- reed warbler — a small Old World warbler, Acrocephalus scirpaceus, inhabiting marshy places.
- renewability — able to be renewed: a library book that is not renewable.
- renewal date — The renewal date of an existing insurance contract is the date on which it must be renewed.
- review board — panel appointed to reconsider a matter
- reward claim — a claim granted to a miner who discovered gold in a new area
- right of way — a common law or statutory right granted to a vehicle, as an airplane or boat, to proceed ahead of another.
- road sweeper — a person who sweeps roads
- road warrior — a person who travels extensively, as on business trips
- rock wallaby — any wallaby of the genus Petrogale, having a banded or striped coat, slender body, and long legs and feet, inhabiting caves and rocky areas in Australia.
- rollaway bed — a bed on castors
- round barrow — a funerary barrow having a bell, disk, saucer, or pond shape, primarily of the Bronze Age and containing the cremated remains of corpses along with grave artifacts.
- runaway star — a star with an unusually high proper motion, believed to result from its ejection from a nearby binary system when its companion star underwent a supernova explosion.
- sage sparrow — a small gray finch, Amphispiza belli, of dry, brushy areas of western North America.
- sale of work — a sale of goods and handicrafts made by the members of a club, church congregation, etc, to raise money
- sandwich bar — a place where sandwiches are sold
- sandwich man — a person with advertising boards hung from the shoulders.
- saskatchewan — a province in W Canada. 251,700 sq. mi. (651,900 sq. km). Capital: Regina.
- satin walnut — the brown heartwood of the sweet gum tree, used for furniture, fittings, and panelling
- satin-flower — a Californian plant, Clarkia amoena, of the evening primrose family, having cup-shaped pink or purplish flowers blotched with red.
- satsuma ware — a Japanese pottery from Kyushu, first produced in the early 17th century and after 1800 having a crackle glaze and overglaze polychrome enameling and gilding.
- saw palmetto — a shrublike palmetto, Serenoa repens, of the palm family, native to the southern U.S., having green or blue leafstalks set with spiny teeth.
- saw-whet owl — a very small North American owl, Aegolius acadicus, having streaked, brown plumage and lacking ear tufts.
- say the word — If someone says the word, they give their approval as a sign that something should start to happen.
- scapegallows — a criminal who escapes death by hanging or the gallows
- school prawn — a common olive-green prawn, Metapenaeus macleayi
- schwann cell — a cell of the peripheral nervous system that wraps around a nerve fiber, jelly-roll fashion, forming the myelin sheath.
- scram switch — (jargon) (From the nuclear power industry) An emergency power-off switch (see Big Red Switch), especially one positioned to be easily hit by evacuating personnel. In general, this is *not* something you frob lightly; these often initiate expensive events (such as Halon dumps) and are installed in a dinosaur pen for use in case of electrical fire or in case some luckless field servoid should put 120 volts across himself while Easter egging. SCRAM stands for Safety Control Rod Ax Man. In the early days of nuclear power, boron moderator rods were raised and lowered on ropes. In the event of a runaway chain reaction, a man with an axe would chop the rope and drop the rods into the nuclear pile to stop the reaction. See also molly-guard, TMRC.
- screw around — a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver.
- screw thread — Also called worm. the helical ridge of a screw.
- sea bindweed — a species of bindweed, Calystegia soldanella, which grows on beaches in E North America, Europe, and Asia
- sea crawfish — spiny lobster
- sea lungwort — a plant, Mertensia maritima, of the borage family, growing on northern seacoasts and having leaves with an oysterlike flavor.
- sea milkwort — a maritime plant, Glaux maritima, having small, pinkish-white flowers.
- seismic wave — a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface.
- self-drawing — the act of a person or thing that draws.
- self-renewal — the act of renewing.
- semantic web — an extension of the World Wide Web in which data is structured and XML-tagged on the basis of its meaning or content, so that computers can process and integrate the information without human intervention: the semantic Web acting as a global database or huge brain.
- sepak takraw — a game originating in South Asia in which two teams kick a ball back and forth over a net
- servicewoman — a woman who is a member of the armed forces of a country.