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17-letter words containing e, c, h, i

  • spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
  • special schooling — the system of educating children with special needs in schools designed to meet their needs
  • specific humidity — the ratio of the mass of water vapor in air to the total mass of the mixture of air and water vapor.
  • spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
  • spectrohelioscope — a spectroheliograph.
  • speech correction — the reeducation of speech habits that deviate from accepted speech standards.
  • speech difficulty — a problem encountered in speaking
  • speech impediment — speaking disorder
  • spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
  • spit in the ocean — a variety of poker in which four cards are dealt face down to each player and one card, forming the fifth for all hands, is dealt face up in the center of the table, the exposed card and others of its denomination being wild cards.
  • spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
  • square the circle — a rectangle having all four sides of equal length.
  • stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
  • stare in the face — to gaze fixedly and intently, especially with the eyes wide open.
  • steamship company — a company which has a fleet of steamships
  • stenothermophilic — growing best within a narrow temperature range.
  • stick to the ribs — to pierce or puncture with something pointed, as a pin, dagger, or spear; stab: to stick one's finger with a needle.
  • stretch limousine — a limousine that has been lengthened to provide extra seating accommodation and more legroom
  • stretching course — (in brickwork) a course of stretchers.
  • sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
  • support mechanism — any formal system or method of providing support or assistance
  • swaddling clothes — cloth for wrapping around a baby
  • sympathetic magic — magic predicated on the belief that one thing or event can affect another at a distance as a consequence of a sympathetic connection between them.
  • synthetic biology — the application of computer science techniques to create artificial biological systems
  • synthetic phonics — a method of teaching people to read by training them to pronounce sounds associated with particular letters in isolation and then blend them together
  • take a chill pill — something that has a calming or relaxing effect.
  • tay-sachs disease — a rare fatal hereditary disease, occurring chiefly in infants and children, especially of eastern European Jewish origin, characterized by a red spot on the retina, gradual blindness, and paralysis.
  • teacher education — training to become a teacher, usually at an institution of higher education
  • teaching hospital — a hospital associated with a medical college and offering clinical and other facilities to those in various areas of medical study, as students, interns, and residents.
  • teaching practice — Teaching practice is a period that a student teacher spends teaching at a school as part of his or her training.
  • teaching software — computer software for use in providing online education
  • technical college — school of further and vocational education
  • technical drawing — the study and practice, esp as a subject taught in school, of the basic techniques of draughtsmanship, as employed in mechanical drawing, architecture, etc
  • technical offence — an action which is prohibited by law, but for which no blame can be attached to the person who commits it
  • technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
  • telephone service — a company or public utility that provides a telephone-operating service
  • terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
  • that's the ticket — that is exactly what's needed
  • the bag of tricks — every device; everything
  • the carboniferous — the Carboniferous period or rock system
  • the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
  • the facts of life — the details of sexual behaviour and reproduction, esp as told to children
  • the final curtain — the closing of the curtain at the end of the action of a play
  • the glacial epoch — the Pleistocene Epoch
  • the life sciences — sciences such as biology, botany, physiology, zoology which are concerned with the study of living organisms
  • the neolithic age — the last part of the Stone Age, where metal tools became widespread
  • the olympic flame — the flame that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
  • the olympic torch — a torch that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
  • the plot thickens — People sometimes say 'the plot thickens' when a situation or series of events is getting more and more complicated and mysterious.
  • the silent screen — silent films, considered as a whole
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