21-letter words containing s, t, w, i

oil-in-water emulsion — An oil-in-water emulsion is a mixture in which an oily medicine is dispersed in water or other liquid.
one-way hash function — (algorithm) (Or "message digest function") A one-way function which takes a variable-length message and produces a fixed-length hash. Given the hash it is computationally infeasible to find a message with that hash; in fact one can't determine any usable information about a message with that hash, not even a single bit. For some one-way hash functions it's also computationally impossible to determine two messages which produce the same hash. A one-way hash function can be private or public, just like an encryption function. MD5, SHA and Snefru are examples of public one-way hash functions. A public one-way hash function can be used to speed up a public-key digital signature system. Rather than sign a long message, which can take a long time, compute the one-way hash of the message, and sign the hash.
paper-white narcissus — a white-flowered variety of Narcissus tazetta, often forced for indoor bloom.
populist shop steward — a shop steward who operates in a delegate role, putting the immediate interests of his members before union principles and policies
poweropen association — An independent body established to promote, and test conformance with, the PowerOpen Environment (POE).
powersoft corporation — (company) A leading vendor of client/server application development tools. In February 1994, Watcom became a wholly-owned subsidiary of Powersoft Corporation which merged with Sybase on 13 February 1995. In April 1995, the new company is the fastest growing top-ten software company and the seventh largest software company in the world. Headquarters: Concord, Massachusetts, USA.
protestant work ethic — work ethic.
put someone wise (to) — to give someone information, an explanation, etc. (about); enlighten someone (concerning)
roll with the punches — a thrusting blow, especially with the fist.
safe in the knowledge — If you do something safe in the knowledge that something else is the case, you do the first thing confidently because you are sure of the second thing.
sail against the wind — to sail a course that slants slightly away from the true direction of the wind; sail closehauled
saint lawrence seaway — a series of channels, locks, and canals between Montreal and the mouth of Lake Ontario, a distance of 182 miles (293 km), enabling most deep-draft vessels to travel from the Atlantic Ocean, up the St. Lawrence River, to all the Great Lakes ports: developed jointly by the U.S. and Canada.
salam-weinberg theory — the electroweak theory.
santa cruz water lily — a South American aquatic plant, Victoria cruziana, of the water lily family, having floating leaves from 2–5 feet (0.6–1.5 meters) and deep pink or red flowers.
set the world on fire — the earth or globe, considered as a planet.
skew symmetric matrix — a matrix that is equal to the negation of its transpose
slatwall merchandiser — A slatwall merchandiser is a three-dimensional display unit with grooves cut into its surface into which metal hanging rails can be fixed at various heights.
snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
sovereign wealth fund — an investment fund created using the financial assets of a national government
spicebush swallowtail — a swallowtail butterfly, Papilio troilus, having a dark body with yellow spots on the forewings and greenish hind wings.
subsistence allowance — money given in advance to a new soldier, employee, etc., to buy food, clothing, and pay for other necessities while awaiting a first pay.
surface acoustic wave — an acoustic wave generated on the surface of a piezoelectric substrate: used as a filter in electronic circuits
sweet spirit of nitre — ethyl nitrite spirit.
swim against the tide — to resist prevailing opinion
take one's (own) life — to commit suicide
take sb at their word — If you take someone at their word, you believe what they say, when they did not really mean it or when they meant something slightly different.
the microsoft network — (networking) (MSN) Microsoft's ISP and online content service, launched in October 1996. Not to be confused with Microsoft Networking. MSN was originally based on custom software and protocols, however Microsoft saw the error of their ways and adopted Internet standards. MSN now provides standard WWW and email facilities, albeit with Microsoft's Internet Explorer web-browser and the Outlook Express email software. The service also provides "Community Services" including newsgroups, forums, and chat.
the throwaway society — a society full of excessive consumption and waste of food, products, etc
thermal power station — a power station in which heat is converted into electricity
threshold wage policy — a policy whereby wages are increased in accordance with inflation
throw one's hat at it — to give up all hope of getting or achieving something
to blow sth wide open — to expose something
to put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.
to rub shoulders with — If you rub shoulders with famous people, you meet them and talk to them. You can also say that you rub elbows with someone, especially in American English.
to sink without trace — If you say that someone or something sinks without trace or sinks without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
to sow your wild oats — If a young person sows their wild oats, they behave in a rather uncontrolled way, especially by having a lot of sexual relationships.
twist the lion's tail — a large, usually tawny-yellow cat, Panthera leo, native to Africa and southern Asia, having a tufted tail and, in the male, a large mane.
two-point perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
up to the elbows with — busily occupied with; deeply immersed in
warm silence software — A small company run by(?) Robin Watts, producing software for the Acorn Archimedes.
washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
watenstedt-salzgitter — former name of Salzgitter.
water of constitution — water present in a molecule that cannot be removed without disrupting the molecule.
weinberg-salam theory — electroweak theory.
west lothian question — the apparent inconsistency that members of parliament who represent Scottish constituencies are eligible to vote at Westminster on matters that relate only to England, whereas members of parliament from English constituencies are not eligible to vote on Scottish matters
west university place — a city in SE Texas.
wet collodion process — a photographic process, in common use in the mid-19th century, employing a glass photographic plate coated with iodized collodion and dipped in a silver nitrate solution immediately before use.
what price something? — what are the chances of something happening now?
whistling in the dark — If you say that someone is whistling in the dark, you mean that they are trying to remain brave and convince themselves that the situation is not as bad as it seems.
white-crowned sparrow — a North American sparrow, Zonotrichia leucophrys, having black and white stripes on the head.

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