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21-letter words containing h, e, a, d, l

  • rayleigh distribution — (mathematics)   A curve that yields a good approximation to the actual labour curves on software projects.
  • redlegged grasshopper — a migratory grasshopper, Melanoplus femur-rubrum, of the southwestern and midwestern U.S., having reddish skin on the underside of the hind legs: an agricultural pest.
  • richard coeur de lion — ("Richard the Lion-Hearted"; "Richard Coeur de Lion") 1157–99, king of England 1189–99.
  • right-angled triangle — a triangle one angle of which is a right angle
  • 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
  • satellite dish aerial — a parabolic aerial for reception from or transmission to an artificial satellite
  • scorched earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
  • scorched-earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
  • sealed-beam headlight — a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit.
  • share and share alike — with each having an equal share
  • silicon tetrachloride — a colorless, fuming liquid, SiCl 4 , used chiefly for making smoke screens and various derivatives of silicon.
  • 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.
  • sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
  • sovereign wealth fund — an investment fund created using the financial assets of a national government
  • spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
  • sunday school teacher — someone who teaches at a Sunday school
  • the antipodes islands — a group of small uninhabited islands in the South Pacific, southeast of and belonging to New Zealand. Area: 62 sq km (24 sq miles)
  • the fall of the cards — the chance distribution of cards in a given deal
  • the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
  • the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
  • the san andreas fault — a geological fault in California
  • 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 decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
  • threshold wage policy — a policy whereby wages are increased in accordance with inflation
  • to be hard luck on sb — to be unfortunate or unlucky for someone
  • to fly off the handle — If you fly off the handle, you suddenly and completely lose your temper.
  • to let your hair down — If you let your hair down, you relax completely and enjoy yourself.
  • to live hand to mouth — If someone lives hand to mouth or lives from hand to mouth, they have hardly enough food or money to live on.
  • to play the race card — if someone plays the race card they bring up the issue of race in a discussion, perhaps for sympathy or to seek popularity by appealing to racist sentiment
  • to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
  • trichloroacetaldehyde — chloral (def 1).
  • undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
  • up hill and down dale — strenuously and persistently
  • vertically challenged — short in stature.
  • 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:
  • what the future holds — If you wonder what the future holds, you wonder what will happen in the future.
  • 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-knuckle paddler — an inexpert and timid canoeist.
  • wholesale price index — an indicator of price changes in the wholesale market
  • wildlife photographer — someone that specializes in taking photographs of wild animals, especially in their natural habitats, and plants
  • yellow-throated vireo — an olive-green vireo, Vireo flavifrons, of eastern North America, having a bright yellow throat and breast.
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