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21-letter words containing w, h, a

  • motherwell and wishaw — a burgh in the Motherwell district, in S Scotland.
  • muhammad al-khwarizmi — Muhammad ibn Musa al-Khwarizmi
  • north east new guinea — the NE part of the former Australian Territory of New Guinea; now part of Papua New Guinea.
  • 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.
  • pellitory-of-the-wall — an urticaceous plant, P. diffusa, of the S and W European genus Parietaria, which grows in crevices and has long narrow leaves and small pink flowers
  • play with a full deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
  • populist shop steward — a shop steward who operates in a delegate role, putting the immediate interests of his members before union principles and policies
  • protestant work ethic — work ethic.
  • psychological warfare — the use of propaganda, threats, and other psychological techniques to mislead, intimidate, demoralize, or otherwise influence the thinking or behavior of an opponent.
  • red-headed woodpecker — a black and white North American woodpecker, Melanerpes erythrocephalus, having a red head and neck.
  • ring down the curtain — to lower the curtain at the end of a theatrical performance
  • 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
  • salam-weinberg theory — the electroweak theory.
  • second-hand endowment — A second-hand endowment is a traditional with-profits endowment policy that has been sold to a new owner part way through its term.
  • 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.
  • swim against the tide — to resist prevailing opinion
  • 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 break of day/dawn — The break of day or the break of dawn is the time when it begins to grow light after the night.
  • the letter of the law — If you say that someone keeps to the letter of the law , you mean that they act according to what is actually written in the law, rather than according to the general principles of it, especially when you disapprove of this.
  • the lower vertebrates — relatively simple and primitive vertebrates
  • the throwaway society — a society full of excessive consumption and waste of food, products, etc
  • the women's land army — a unit of women recruited to do agricultural work in the United Kingdom during World War I and World War II
  • the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
  • 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
  • throw sb a curve ball — If someone throws you a curve or throws you a curve ball, they surprise you by doing something that you do not expect.
  • throw someone a curve — a continuously bending line, without angles.
  • to give the game away — If someone or something gives the game away, they reveal a secret or reveal their feelings, and this puts them at a disadvantage.
  • to let your hair down — If you let your hair down, you relax completely and enjoy yourself.
  • to look the other way — If you say that someone looks the other way, you are critical of them because they pay no attention to something unpleasant that is happening, when they should be dealing with it properly.
  • to my way of thinking — You add to my way of thinking to a statement in order to indicate that you are giving your opinion.
  • 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 take the long view — If you take the long view, you consider what is likely to happen in the future over a long period, rather than thinking only about things that are going to happen soon.
  • 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.
  • up hill and down dale — strenuously and persistently
  • 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.
  • weak head normal form — (reduction, theory)   (WHNF) A lambda expression is in weak head normal form (WHNF) if it is a head normal form (HNF) or any lambda abstraction. I.e. the top level is not a redex. The term was coined by Simon Peyton Jones to make explicit the difference between head normal form (HNF) and what graph reduction systems produce in practice. A lambda abstraction with a reducible body, e.g. \ x . ((\ y . y+x) 2) is in WHNF but not HNF. To reduce this expression to HNF would require reduction of the lambda body: (\ y . y+x) 2 --> 2+x Reduction to WHNF avoids the name capture problem with its need for alpha conversion of an inner lambda abstraction and so is preferred in practical graph reduction systems. The same principle is often used in strict languages such as Scheme to provide call-by-name evaluation by wrapping an expression in a lambda abstraction with no arguments: D = delay E = \ () . E The value of the expression is obtained by applying it to the empty argument list:
  • 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
  • what price something? — what are the chances of something happening now?
  • what the future holds — If you wonder what the future holds, you wonder what will happen in the future.
  • whip-and-tongue graft — a graft prepared by cutting both the scion and the stock in a sloping direction and inserting a tongue in the scion into a slit in the stock.
  • 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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