17-letter words containing a, g, s, i
- similar triangles — triangles that are similar due to the equality of corresponding angles and the proportional similarity of the corresponding sides
- single-name paper — commercial paper bearing only the signature of the maker.
- single-track road — a road that is only wide enough for one vehicle
- six-speed gearbox — a gearbox containing a system of six gears
- sleeping quarters — the rooms where people sleep in a large building or complex or on a boat etc
- sliding vane pump — A sliding vane pump is a pump in which the vanes (=flat parts) are the main sealing element between the suction and discharge areas.
- slings and arrows — Slings and arrows are unpleasant things that happen to you and that are not your fault.
- smarandache logic — neutrosophic logic
- social accounting — the analysis of the economy by sectors leading to the calculation and publication of economic statistics, such as gross national product and national income
- social networking — the development of social and professional contacts; the sharing of information and services among people with a common interest.
- social notworking — the practice of spending time unproductively on social networking websites, esp when one should be working
- social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.
- software engineer — a person who writes computer programs
- solicitor general — a law officer who maintains the rights of the state in suits affecting the public interest, next in rank to the attorney general.
- south farmingdale — a town on central Long Island, in SE New York.
- southern triangle — the constellation Triangulum Australe.
- spaghetti western — a low-budget western movie shot in Italy or Spain, usually with Italian actors and an American star.
- spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
- special messenger — a postal worker who delivers mail by special delivery
- special privilege — exclusive advantage
- special schooling — the system of educating children with special needs in schools designed to meet their needs
- 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.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spinal meningitis — infection of spinal membrane
- spiral bevel gear — a bevel gear having curved teeth tending to converge on the axis of rotation.
- spiritual healing — faith healing
- spitting distance — a short space or distance
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- spring cankerworm — the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)
- 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.
- squatter's rights — the rights to a property claimed by someone who has occupied it in the owner's absence
- standing expenses — fixed or flat expenses or charges
- state legislature — laws of a country
- stationary engine — an engine mounted in a fixed position, as one used for driving generators, compressors, etc.
- statutory meeting — company shareholders' discussion
- steamboat springs — a town in NW Colorado: ski resort.
- stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
- sting in the tail — an unexpected and unpleasant ending
- stolen generation — Aboriginal children removed from their families and placed in institutions or fostered by White families between 1910 and 1970
- straight arm lift — a wrestling attack, in which a wrestler twists the opponent's arm against the joint and lifts him or her by it, often using the shoulder as a fulcrum
- strange interlude — a play (1928) by Eugene O'Neill.
- stuttgart disease — an often fatal intestinal disease in dogs, caused by any of several spirochetes of the genus Leptospira.
- subclavian groove — either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm
- subsidiary ledger — (in accounting) a ledger containing a group of detailed and related accounts the total of which is summarized in the control account.
- substantive right — a right, as life, liberty, or property, recognized for its own sake and as part of the natural legal order of society.
- superregeneration — regeneration in which a signal is alternately amplified and quenched at a frequency slightly above the audible range to achieve high sensitivity with a single tube.
- surgical dressing — a dressing made of cotton, used for incisions made during surgery
- swaddling clothes — cloth for wrapping around a baby
- sweating sickness — a febrile epidemic disease that appeared in the 15th and 16th centuries: characterized by profuse sweating and frequently fatal in a few hours.