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21-letter words containing e, y, t, o, h

  • law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
  • macintosh file system — (file system)   A file on the Macintosh consists of two parts, called forks. The "data fork" contains the data which would normally be stored in the file on other operating systems. The "resource fork" contains a collection of arbitrary attribute/value pairs, including program segments, icon bitmaps, and parametric values. Yet more information regarding Macintosh files is stored by the Finder in a hidden file, called the "Desktop Database". Because of the complications in storing different parts of a Macintosh file in non-Macintosh file systems that only handle consecutive data in one part, it is common to only send the Data fork or to convert the Macintosh file into some other format before transferring it.
  • majority shareholding — a holding of more than half a company's shares
  • make heavy weather of — to create needless difficulties in dealing with
  • make yourself at home — settle in
  • maryland yellowthroat — (in former systems of nomenclature) the common yellowthroat, Geothlypis trichas, especially the eastern U.S. subspecies.
  • mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
  • methylisothiazolinone — (chemistry) A powerful biocide and preservative within the group of isothiazolinones, used in shampoos etc.
  • methyltrinitrobenzene — TNT.
  • metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
  • miniature photography — photography with a camera using film that is 35 millimeters wide or less.
  • north atlantic treaty — the treaty (1949) signed by 12 countries, providing for the establishment of NATO.
  • 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.
  • orthogonal trajectory — the locus of a point whose path cuts each curve of a family of curves at right angles.
  • 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
  • polygenic inheritance — the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect.
  • potassium thiocyanate — a colorless, crystalline, hygroscopic, water-soluble solid, KSCN, used chiefly in the manufacture of chemicals, dyes, and drugs.
  • psychopathic disorder — (in England, according to the Mental Health Act 1983) a persistent disorder or disability of mind which results in abnormally aggressive or seriously irresponsible conduct on the part of the person concerned
  • psychopharmacotherapy — the use of psychoactive drugs in the symptomatic treatment or control of mental disorders or psychiatric disease.
  • rayleigh distribution — (mathematics)   A curve that yields a good approximation to the actual labour curves on software projects.
  • rectangular hyperbola — a hyperbola with perpendicular asymptotes
  • reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
  • reverse polish syntax — postfix notation
  • ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
  • salam-weinberg theory — the electroweak theory.
  • schlieren photography — a type of photography which records schlieren
  • 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.
  • snappy video snapshot — (hardware)   (registered trademark) A frame grabber for the IBM PC designed and marketed by Play, Inc..
  • sport utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
  • sport-utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
  • strachey, christopher — Christopher Strachey
  • sunday school teacher — someone who teaches at a Sunday school
  • sympathetic vibration — a vibration induced by resonance.
  • symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
  • synchronized shifting — gear shifting in which the gears to be meshed are made to rotate at the same speed.
  • synchronous converter — a synchronous machine for converting alternating current to direct current, or vice versa, in which the armature winding is connected to collector rings and to a commutator.
  • take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
  • tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
  • the apple of your eye — If you say that someone is the apple of your eye, you mean that they are very important to you and you are extremely fond of them.
  • 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 household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
  • the jury is still out — it has not yet been decided or agreed on
  • the royal scots greys — (formerly) a British cavalry regiment, the Second Dragoons
  • the stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
  • the student community — the body of students in further and higher education, considered as a whole
  • 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)
  • theoretical physicist — a scientist who studies theoretical physics
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