12-letter words containing s, c, a, r
- quitch grass — any of various grasses, especially Agropyron repens, known chiefly as troublesome weeds and characterized by creeping rootstocks that spread rapidly.
- race suicide — the extinction of a racial or ethnic population that tends to result when, through the unwillingness or forbearance of its members to have children, the birthrate falls below the death rate.
- rachiotomies — Plural form of rachiotomy.
- rachischisis — A developmental birth defect in which the neural tube fails to close completely, leading to motor and sensory deficits, chronic infections, and disturbances in bladder function.
- racing skate — a tubular ice skate having a long blade extending beyond the heel and toe.
- racket press — a device consisting of a frame closed by a spring mechanism, for keeping taut the strings of a tennis racket, squash racket, etc
- radar screen — a screen on equipment used in radar, a method for detecting the position and velocity of a distant object
- radical axis — the line such that tangents drawn from any point of the line to two given circles are equal in length.
- radical sign — the symbol √ or indicating extraction of a root of the quantity that follows it, as √25=5 or .
- radicicolous — living on the roots of plants
- radicivorous — feeding on the roots of plants
- radiesthetic — of or relating to radiesthesia
- radio source — a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
- raised beach — a wave-cut platform raised above the shoreline by a relative fall in the water level
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rambus, inc. — (company) The company which designed Rambus DRAM. Address: Mountain View, CA., USA.
- ramentaceous — resembling or covered with ramenta.
- rauschenberg — Robert, 1925–2008, U.S. artist.
- re-landscape — a section or expanse of rural scenery, usually extensive, that can be seen from a single viewpoint.
- reactiveness — tending to react.
- reactivities — the quality or condition of being reactive.
- recalescence — a brightening exhibited by cooling iron as latent heat of transformation is liberated.
- recalibrates — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- recessionary — of, relating to, or causing recession, especially economic recession: recessionary market pressures.
- reciprocates — to give, feel, etc., in return.
- reclassified — to classify anew.
- recompensate — to recompense for something: They gave him ten dollars to compensate him for his trouble.
- reconsecrate — to make or declare sacred; set apart or dedicate to the service of a deity: to consecrate a new church building.
- reconvalesce — to convalesce again
- rectirostral — (of a bird) having a straight bill.
- reduced mass — a quantity obtained when one particle is moving about another, larger particle that is also moving, equivalent to the mass of the smaller particle, were the larger particle not moving, and equal to the quotient of the product of the two masses divided by their sum.
- reichsthaler — a silver thaler of Germany, originally issued in 1566; rix-dollar.
- relativistic — of or relating to relativity or relativism.
- release copy — an article, notice, announcement, or the like, issued in advance for publication or broadcast, bearing a release date.
- remonstrance — an act or instance of remonstrating.
- renovascular — of or relating to the blood vessels of the kidneys.
- reproachless — irreproachable.
- res judicata — a thing adjudicated; a case that has been decided.
- rescue grass — a grass, Bromus unioloides (or B. catharticus), of tropical America, having clusters of flattened spikelets, grown for forage.
- rescue party — a group of people who attempt to rescue, find or save a person or people for danger, esp a person or people who have got lost while mountain climbing
- researchable — diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc.: recent research in medicine.
- respite care — Respite care is short-term care that is provided for very old or very sick people so that the person who usually cares for them can have a break.
- resuscitator — a person or thing that resuscitates.
- resyndicated — a group of individuals or organizations combined or making a joint effort to undertake some specific duty or carry out specific transactions or negotiations: The local furniture store is individually owned, but is part of a buying syndicate.
- retranscribe — to make a written copy, especially a typewritten copy, of (dictated material, notes taken during a lecture, or other spoken material).
- rhizocarpous — having the root perennial but the stem annual, as perennial herbs.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- ring changes — to make the form, nature, content, future course, etc., of (something) different from what it is or from what it would be if left alone: to change one's name; to change one's opinion; to change the course of history.
- risk capital — venture capital.