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20-letter words containing he

  • prime number theorem — the theorem that the number of prime numbers less than or equal to a given number is approximately equal to the given number divided by its natural logarithm.
  • priority inheritance — (parallel)   A technique for avoiding priority inversion by temporarily raising the prioriry of all processes that want to access a shared resource to the highest priority level of any of them. Priority inversion occurs where a low priority process, L is holding a resource required by a high priority process, H, but L is not running because a medium priority process, M is running. Under priority inheritance, L temporarily inherits H's priority, allowing L to run and release the resource H is waiting for. For example, an ambulance (H) is stuck behind a lorry (L) waiting at a junction (the shared resource) for a gap in a line of cars (M) using the junction. Applying priority inheritance, the cars give way to the lorry as they would to the ambulance, thus allowing the lorry and then the ambulance to use the junction.
  • proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
  • propylphenyl acetate — phenylpropyl acetate.
  • prosthetic dentistry — prosthodontics.
  • put the hard word on — to ask or demand something from
  • pythagoras's theorem — (mathematics)   The theorem of geometry, named after Pythagoras, of Samos, Ionia, stating that, for a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. I.e. if the longest side has length A and the other sides have lengths B and C (in any units), A^2 = B^2 + C^2 (2004-02-12)
  • quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
  • queen of the prairie — a tall plant, Filipendula rubra, of the rose family, having branching clusters of pink flowers, growing in meadows and prairies.
  • quick on the trigger — quick to fire a gun
  • rachel louise carson — Christopher ("Kit") 1809–68, U.S. frontiersman and scout.
  • raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
  • read the riot act to — to command to stop doing something regarded as wrong, under threat of punishment
  • recreational therapy — therapy by means of recreational activities engaged in by the patient
  • redheaded woodpecker — a North American woodpecker (Melanerpes erythrocephalus), with a bright-red head and neck, black back, and white underparts
  • return from the dead — (jargon)   To regain access to the net after a long absence. Compare person of no account.
  • return of the native — a novel (1878) by Thomas Hardy.
  • rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
  • ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
  • ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
  • ringing off the hook — If your phone is ringing off the hook, so many people are trying to telephone you that it is ringing constantly.
  • rise to the occasion — to have the courage, wit, etc, to meet the special demands of a situation
  • rocky mountain sheep — bighorn.
  • roof over one's head — If you have a roof over your head, you have somewhere to live.
  • rub up the wrong way — to arouse anger (in); annoy
  • run off at the mouth — Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
  • sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
  • scheme object system — (SOS) Chris Hanson?
  • schwarzschild sphere — the sphere which surrounds a non-rotating uncharged black hole, from within which no information can escape because of gravitational forces
  • see the light of day — come into being
  • serpentine stretcher — an X -stretcher having curved lines.
  • set the ball rolling — to open or initiate (an action, discussion, movement, etc)
  • seven against thebes — (used with a plural verb) Classical Mythology. seven heroes, Amphiaraus, Capaneus, Eteoclus, Hippomedon, Parthenopaeus, Polynices, and Tydeus, who led an expedition against Thebes to depose Eteocles in favor of his brother Polynices: the expedition failed, but the Epigoni, the sons of the Seven against Thebes, conquered the city ten years later.
  • shank of the evening — the latter part of the afternoon
  • shear transformation — a map of a coordinate space in which one coordinate is held fixed and the other coordinate or coordinates are shifted.
  • slip through the net — If criminals slip through the net, they avoid being caught by the system or trap that was meant to catch them.
  • snow-on-the-mountain — a North American euphorbiaceous plant, Euphorbia marginata, having white-edged leaves and showy white bracts surrounding small flowers
  • southern oscillation — a low-latitude fluctuation of atmospheric pressure closely linked with El Niño events, specifically the periods of El Niño warming and La Niña cooling.
  • span of apprehension — the maximum number of objects that can be correctly assessed after a brief presentation
  • spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
  • spherical coordinate — 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.
  • splice the mainbrace — to issue and partake of an extra allocation of alcoholic spirits
  • split the difference — the state or relation of being different; dissimilarity: There is a great difference between the two.
  • stare sb in the face — If a situation or the answer to a problem is staring you in the face, it is very obvious, although you may not be immediately aware of it.
  • states of the church — Papal States
  • step into the breach — If you step into the breach, you do a job or task which someone else was supposed to do or has done in the past, because they are suddenly unable to do it.
  • step up to the plate — to move into batting position
  • strike off the rolls — to expel from membership
  • sweetheart agreement — a contract made through collusion between management and labor representatives containing terms beneficial to management and detrimental to union workers.
  • synthetic philosophy — the philosophy of Herbert Spencer, intended as a synthesis of all the sciences.
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