18-letter words containing w, s, c
- packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
- percussion welding — a form of resistance welding in which the required pressure is provided by a hammerlike blow.
- personal allowance — the amount of money you are allowed to earn each year without paying tax
- peter tschaikowsky — Peter Ilyich [il-yich] /ˈɪl yɪtʃ/ (Show IPA), Tchaikovsky, Peter Ilyich.
- piecewise function — a function whose definition changes depending on the value of the independent variable
- prison rustic work — rustication having a deeply pitted surface.
- resistance welding — welding utilizing pressure and heat that is generated in the pieces to be welded by resistance to an electric current.
- salem witch trials — 17th-century witchcraft case
- saskatchewan party — (in Canada) a Saskatchewan political party formed by former members of the provincial Progressive Conservative and Liberal Parties
- schleswig-holstein — two contiguous duchies of Denmark that were a center of international tension in the 19th century: Prussia annexed Schleswig 1864 and Holstein 1866.
- schwarz inequality — Also called Cauchy's inequality. the theorem that the inner product of two vectors is less than or equal to the product of the magnitudes of the vectors.
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- software backplane — (programming, tool) A CASE framework from Atherton.
- south saskatchewan — a river in W Canada, flowing E from S Alberta and joining the North Saskatchewan River to form the Saskatchewan River. 865 miles (1392 km) long.
- st. andrew's cross — a low evergreen shrub, Ascyrum hypericoides, native to temperate and subtropical America, having flowers in clusters of three: often cultivated.
- st. lawrence river — a river in SE Canada, flowing NE from Lake Ontario, forming part of the boundary between New York and Ontario, and emptying into the Gulf of St. Lawrence. 760 miles (1225 km) long.
- stomach sweetbread — sweetbread (def 1).
- submarine sandwich — a sandwich made with a long cylindrical bread roll
- swarm intelligence — the collective behaviour of a group of animals, esp social insects such as ants, bees, and termites, that are each following very basic rules
- swedish gymnastics — a system of passive and active exercising of muscles and joints
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- tale of two cities — a historical novel (1859) by Dickens.
- the cat's whiskers — a person or thing that is excellent or superior
- to watch your step — If someone tells you to watch your step, they are warning you to be careful about how you behave or what you say so that you do not get into trouble.
- townsend avalanche — avalanche (def 3).
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- war risk insurance — life insurance for members of the armed forces.
- warehouse capacity — the amount of storage space in a warehouse
- water stick insect — a slender sticklike flightless water bug, Ranatra linearis, that is predatory on small creatures such as water fleas
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- wattless component — Electricity. reactive component.
- weather forecaster — meteorologist
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.
- wernicke's aphasia — a type of aphasia caused by a lesion in Wernicke's area of the brain and characterized by grammatical but more or less meaningless speech and an apparent inability to comprehend speech.
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- wheelchair housing — housing designed or adapted for a chairbound person
- which sth is which — If you cannot tell the difference between two things, you can say that you do not know which is which.
- whittaker chambers — Robert, 1802–71, Scottish publisher and editor.
- wildlife sanctuary — an area where wild animals and plants are protected
- with flying colors — with flying colors, with an overwhelming victory, triumph, or success: He passed the test with flying colors.
- working men's club — A working men's club is a place where working people, especially men, can go to relax, drink alcoholic drinks, and sometimes watch live entertainment.
- world championship — an international competition in a particular sport or activity for people all around the world
- writ of assistance — a writ issued by a superior colonial court authorizing officers of the British crown to summon aid and enter and search any premises.
- yellow honeysuckle — a spreading, twining vine, Lonicera flava, of the southern and eastern U.S., having fragrant, tubular, orange-yellow flowers.
- yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.