11-letter words containing o, r, c, a, s
- solar cells — a photovoltaic cell that converts sunlight directly into electricity.
- solar cycle — the variation of sunspots, prominences, flares, and other solar activity through an 11-year cycle.
- solidarnosc — a Polish organization of independent trade unions founded in 1980: outlawed by the government of Poland in 1982.
- sonderclass — a special class of small racing yachts, restricted as to size, sail area, cost, etc.
- sorbic acid — a white, crystalline compound, C 6 H 8 O 2 , slightly soluble in water, soluble in many organic solvents: used as a preservative in pharmaceuticals, cosmetics, and food.
- sothic year — the fixed year of the ancient Egyptians, determined by the heliacal rising of Sirius, and equivalent to 365 days.
- space group — a set of symmetry elements that brings a periodic arrangement of points on a Bravais space lattice to its original position.
- space opera — a television or radio drama or motion picture that is a science-fiction adventure story.
- space probe — Aerospace. an unmanned spacecraft designed to explore the solar system and transmit data back to earth.
- spatterdock — any of various water lilies of the genus Nuphar, having globular yellow flowers and growing in lakes or sluggish streams, especially N. advena, of the eastern U.S.
- spectrogram — a representation or photograph of a spectrum.
- speculatory — a place suitable for observation
- spermatoxic — (of a substance) toxic to spermatozoa.
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spirochaete — any of various spiral-shaped motile bacteria of the family Spirochaetaceae, certain species, as Treponema, Leptospira, and Borrelia, being pathogenic to humans and other animals, and other species being free-living, saprophytic, or parasitic.
- sporadicity — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- stactometer — stalagmometer.
- start codon — a codon that starts the synthesis of a protein molecule.
- stauroscope — an optical instrument for studying the crystal structure of minerals under polarized light
- stenocardia — angina pectoris, a contraction of the heart or its vessels due to a lack of oxygen, causing severe chest pain
- stereobatic — relating to or resembling a stereobate
- stereocilia — any of the long, flexible microvilli that superficially resemble cilia and occur as a brush border or series of tufts on the surface of various epithelial tissues.
- stereotaxic — of, relating to, or based on three-dimensional studies of the brain, especially as an adjunct to brain surgery.
- stock guard — a barrier for keeping cattle and other animals off the tracks or right of way.
- stony coral — a true coral consisting of numerous anthozoan polyps embedded in the calcareous material that they secrete.
- storm track — the path followed by the center of a cyclonic storm.
- storm watch — watch (def 20).
- stratocracy — government by the military.
- straw color — a pale yellow similar to the color of straw.
- subacromial — the outward end of the spine of the scapula or shoulder blade.
- subcategory — a subordinate category or a division of a category.
- subchondral — of or relating to cartilage or a cartilage.
- subcolumnar — almost or imperfectly columnar.
- subcontract — a contract by which one agrees to render services or to provide materials necessary for the performance of another contract.
- subcontrary — one of two propositions that can both be true but cannot both be false.
- subcortical — situated beneath the cortex.
- subdeaconry — the position or office of a subdeacon
- subfraction — Mathematics. a number usually expressed in the form a/b. a ratio of algebraic quantities similarly expressed.
- subharmonic — an oscillation that has a frequency which is an integral submultiple of the frequency of a related oscillation.
- subordinacy — a subordinate person or thing.
- substractor — a person who subtracts or takes away
- subtraction — an act or instance of subtracting.
- subtropical — bordering on the tropics; nearly tropical.
- sugarcoated — to cover with sugar: to sugarcoat a pill.
- superoctave — an organ stop two octaves above the standard pitch
- support act — a band or entertainer not topping the bill
- supracostal — above the rib
- sweatercoat — a coat knitted like a bulky sweater.
- switchboard — a structural unit on which are mounted switches and instruments necessary to complete telephone circuits manually.
- sword dance — any of various dances, usually performed by men, in which swords are ceremonially flourished or are laid on the ground and danced around.