17-letter words containing n, a, c, h, o, s
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- roman catholicism — the faith, practice, and system of government of the Roman Catholic Church.
- saint christopher — Saint, died a.d. c250, Christian martyr.
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- sawatch mountains — range of the Rocky Mountains, in central Colo.: highest peak, Elbert
- scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
- school attendance — a measure of the number of children who attend school and the amount of time they are present
- school playground — school's outdoor recreation area
- second-hand smoke — from sb else's cigarette
- shirt-tail cousin — a distant cousin
- shoestring tackle — a tackle made around the ankles of the ball carrier.
- shooting practice — practice in shooting for soldiers or other people who shoot guns
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- shouting distance — hailing distance.
- shower attachment — a device fixed to taps to make a shower
- significant other — Sociology. a person, as a parent or peer, who has great influence on one's behavior and self-esteem.
- sixth commandment — “Thou shalt not kill”: sixth of the Ten Commandments.
- skate on thin ice — to place oneself in a dangerous or delicate situation
- smarandache logic — neutrosophic logic
- snatch one's time — to leave a job, taking whatever pay is due
- socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
- south sea company — a British joint stock company that traded in South America in the 18th century. The South Sea Company took over the national debt in return for a monopoly of trade with the South Seas, causing feverish speculation in their stocks, and a financial crash in 1720 (the South Sea Bubble)
- 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
- 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.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- spoonbill catfish — flathead catfish.
- stag's-horn coral — staghorn coral.
- 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.
- steamship company — a company which has a fleet of steamships
- support mechanism — any formal system or method of providing support or assistance
- swaddling clothes — cloth for wrapping around a baby
- switching station — A switching station is equipment used to tie together two or more electric circuits through switches.
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- synchronistically — coincidence in time; contemporaneousness; simultaneousness.
- 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 software — computer software for use in providing online education
- 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.
- the carboniferous — the Carboniferous period or rock system
- thousandths-place — last in order of a series of a thousand.
- thread escutcheon — a raised metal rim around a keyhole.
- to stand a chance — If you say that someone stands a chance of achieving something, you mean that they are likely to achieve it. If you say that someone doesn't stand a chance of achieving something, you mean that they cannot possibly achieve it.
- ts'ao hsueh-ch'in — (Ts'ao Chan) c1717–63, Chinese novelist: author of The Dream of the Red Chamber.
- vocational school — a school offering instruction in one or more skilled or semiskilled trades or occupations.
- warehousing costs — the costs involved in storing goods in a warehouse
- zola technologies — (company) Producers of the Z simulation language.