11-letter words containing s, i, d, r, a
- quadrasonic — of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording.
- quadrigatus — a silver coin of ancient Rome, bearing an image of Jupiter in a quadriga on the reverse.
- radicalised — to make radical or more radical, as in politics: young people who are being radicalized by extremist philosophies.
- radicalness — of or going to the root or origin; fundamental: a radical difference.
- radicellose — having small roots or rhizoids
- radiculitis — inflammation of a spinal nerve root.
- radio shack — a room or structure, as on a ship, for housing radio equipment.
- radio waves — an electromagnetic wave having a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz.
- radiocesium — cesium 137.
- radiologist — the science dealing with x-rays or nuclear radiation, especially for medical uses.
- radiosodium — the radioactive isotope of sodium having an atomic mass of 24 and a half-life of 14.9 hours: used as a tracer in biochemistry.
- radiovision — television.
- radnorshire — a historic county in Powys, in E Wales.
- rain shadow — a region in the lee of mountains that receives less rainfall than the region windward of the mountains.
- rankshifted — that has been shifted from one linguistic rank to another
- rapid chess — a game of chess played within a fixed amount of time, usually 30 minutes per player for all moves.
- rat islands — a group of islands in SW Alaska, in the W Aleutian Islands.
- re-situated — to put in or on a particular site or place; locate.
- readmission — the act of allowing to enter; entrance granted by permission, by provision or existence of pecuniary means, or by the removal of obstacles: the admission of aliens into a country.
- readvertise — to advertise (something) again
- red jasmine — a fragrant shrub with fragrant flowers, also known as frangipani
- redesignate — to mark or point out; indicate; show; specify.
- reestimated — to form an approximate judgment or opinion regarding the worth, amount, size, weight, etc., of; calculate approximately: to estimate the cost of a college education.
- registrated — to select and combine pipe organ stops.
- residential — of or relating to residence or to residences: a residential requirement for a doctorate.
- restationed — a place or position in which a person or thing is normally located.
- revitalised — to give new life to.
- rhabdovirus — any of various RNA-containing viruses of the family Rhabdoviridae, including the rabies virus.
- rhapsodical — extravagantly enthusiastic; ecstatic.
- ridesharing — of or relating to the sharing of rides or transportation, especially among commuters: The agency was set up to devise a ridesharing program.
- riding sail — a triangular sail set on the aftermost mast of a vessel, especially a fishing vessel, to head it into the wind; trysail.
- ringed seal — an Arctic seal, Phoca hispida, having irregular, pale, ring-shaped markings around its body.
- ringstraked — ring-streaked.
- rising damp — moisture problem affecting walls
- road-trials — a road test
- robbinsdale — a city in SE Minnesota, near Minneapolis.
- rock island — a port in NW Illinois, on the Mississippi: government arsenal.
- ross island — an island in the W Ross Sea, off the coast of Victoria Land: part of the Ross Dependency; location of Mt. Erebus.
- sacred ibis — an African ibis, Threskiornis aethiopica, having a black, naked head and neck and white and black plumage, venerated by the ancient Egyptians.
- sacred nine — the Muses.
- sacred site — a place of great significance
- sacred writ — Scripture.
- safe period — an interval of the menstrual cycle when fertilization is considered to be least likely, usually a number of days prior and subsequent to the onset of menstruation.
- sailboarder — windsurfer
- sales drive — a period of events or activities aimed to promote sales of a particular product or services
- saline drip — the usually intravenous drop-by-drop administration of an isotonic solution of sodium chloride in distilled water
- salvadorian — El Salvador.
- sand lizard — a common lizard, Lacerta agilis, of Europe and central Asia.
- sand martin — the bank swallow.
- sandringham — a village in N Norfolk, England: site of Sandringham House, Royal Family mansion.