13-letter words containing s, p, e, c, t
- spectral line — a line in a spectrum due to the absorption or emission of light at a discrete frequency.
- spectral type — a category for classifying a star, as A star or G star, according to features of its spectrum, as its shape as a function of temperature and wavelength and its absorption spectrum, that indicate the surface temperature of the star and the presence of particular atoms or molecules in its outer layers: principal types are spectral types O, B, A, F, G, K, and M.
- spectrography — a spectroscope for photographing or producing a representation of a spectrum.
- spectroscopic — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
- speculatively — pertaining to, of the nature of, or characterized by speculation, contemplation, conjecture, or abstract reasoning: a speculative approach.
- speech defect — a disorder of speech
- spermatogenic — relating to the development of spermatozoa
- spermatotoxic — spermotoxic.
- spherocytosis — the condition of having spherocytes
- spheroidicity — a spheroidal state or form.
- spirochetosis — a disease caused by infection with a spirochete.
- splenectomize — to remove the spleen from
- sports centre — a place where people take part in sports
- sports jacket — a jacket, often of textured wool or colorful pattern, with a collar, lapels, long sleeves, and buttons in the front, cut somewhat fuller than the jacket of a business suit, worn with slacks for informal occasions.
- spot reducing — the usually futile effort to exercise one part of the body, as the thighs, in hopes of reducing the amount of fat stored in that area.
- spotted crake — a Eurasian rail, Porzana porzana, of swamps and marshes, having a buff speckled plumage and dark brown wings
- sprocket hole — any of a series of regular perforations along the edge of photographic film for engaging the drive sprockets in a motion-picture camera or projector.
- spruce beetle — a beetle, Dendroctonus rufipennis, that feeds on and nests in spruce, pine, and other evergreen trees, sometimes causing extensive damage.
- stamp machine — a machine used for stamping documents, as with the time, etc
- state capitol — the building which houses the government of a state
- steeplechaser — a horse race over a turf course furnished with artificial ditches, hedges, and other obstacles over which the horses must jump.
- step aerobics — a set of aerobic exercises designed to improve the cardiovascular system, which consists of stepping on and off a special box of adjustable height
- step function — a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain.
- stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- stethoscopist — a person who is experienced in the use of a stethoscope
- sticker price — the dealer's full asking price of a new automobile as shown on a sticker attached to it and accompanied by an itemized list of the cost of its basic and optional equipment and other charges.
- stirpiculture — the production of special stocks or strains by careful breeding.
- stomach upset — a slight illness affecting your stomach and/or bowels characterized by nausea, vomiting and/or diarrhoea
- stratospheric — relating to the stratosphere
- streptocarpus — any of various plants belonging to the genus Streptocarpus, of the gesneria family, native to Africa and Asia, having showy white, pink, or purplish flowers and often cultivated as a houseplant.
- streptococcus — any of several spherical or oval bacteria of the genus Streptococcus, occurring in pairs or chains, certain species of which are pathogenic for humans, causing scarlet fever, tonsillitis, etc.
- sub-component — a constituent part; element; ingredient.
- subprefecture — the office or position of subprefect
- subspecialist — a person who devotes himself or herself to one subject or to one particular branch of a subject or pursuit.
- subspeciality — a particular area of expertise within a specialism
- subtriplicate — designating or involving the ratio of the cube roots of two terms
- sunspot cycle — the cycle, averaging in duration slightly more than 11 years, in which the frequency of sunspots varies from a maximum to a minimum and back to a maximum again.
- super-culture — the quality in a person or society that arises from a concern for what is regarded as excellent in arts, letters, manners, scholarly pursuits, etc.
- superactivity — extreme activity; hyperactivity
- supercautious — very or extremely cautious
- supercomputer — a very fast, powerful mainframe computer, used in advanced military and scientific applications.
- supercritical — extremely critical.
- supergalactic — a system of galaxies.
- superhelicity — a coil formed by intertwined helical DNA or by protein chains.
- superparticle — (in supersymmetry theory) a theoretical particle that is a partner to an observed particle, having the same mass but a different spin
- superreaction — a reverse movement or tendency; an action in a reverse direction or manner.
- superromantic — exceptionally romantic
- superterrific — more than terrific
- support price — the price at which the government will purchase commodities, especially farm produce, in order to maintain a certain price level.
- supreme court — the highest court of the U.S.