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21-letter words containing al

  • heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
  • hierarchical database — (database)   A kind of database management system that links records together like a family tree such that each record type has only one owner, e.g. an order is owned by only one customer. Hierarchical structures were widely used in the first mainframe database management systems. However, due to their restrictions, they often cannot be used to relate structures that exist in the real world.
  • hindu-arabic numerals — Arabic numeral.
  • homogeneous catalysis — Homogeneous catalysis is catalysis in which the catalyst takes part in the reaction that it increases.
  • horizontal stabilizer — the horizontal surface, usually fixed, of an aircraft empennage, to which the elevator is hinged.
  • horizontal tabulation — (character)   (tab, Control-I, HT, ASCII 9) A character which when displayed or printed causes the following character to be placed at the next "tabstop" - the column whose number is a multiple of the current tab width. Commonly (especially in Unix(?)) the tab width is eight, so, counting from the left margin (column zero), the tab stops are at columns 8, 16, 24, up to the width of the screen or page. A tab width of four or two is often preferred when indenting program source code to conserve indentation. Represented as "\t" in C, Unix, and derivatives.
  • horns and halo effect — a tendency to allow one's judgement of another person, esp in a job interview, to be unduly influenced by an unfavourable (horns) or favourable (halo) first impression based on appearances
  • hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
  • identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
  • immunohistochemically — By means of or in regard to immunohistochemistry.
  • indigenous australian — another name for Aboriginal and Torres Strait Islander
  • indo-australian plate — a major tectonic division of the earth's crust, comprising India and the Australian continent and adjacent suboceanic basins (the Tasman, South Australian, Mid-Indian, Cocos, and Australian basins); separated from the Eurasian Plate by the Java Trench, from the Pacific Plate by the Tonga-Kermadec Trench, and from the African Plate by a series of mid-ocean ridges (the Carlsberg, Mid-Indian, and Southeast Indian ridges).
  • industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
  • industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
  • industrial revolution — (sometimes initial capital letters) the totality of the changes in economic and social organization that began about 1760 in England and later in other countries, characterized chiefly by the replacement of hand tools with power-driven machines, as the power loom and the steam engine, and by the concentration of industry in large establishments.
  • infant mortality rate — number of babies dying
  • information retrieval — the systematic storage and recovery of data, as from a file, card catalog, or the memory bank of a computer. Abbreviation: IR.
  • input-output analysis — an analysis of production relationships between the industries of an economy involving a study of each industry's inputs and outputs, esp as used in social accounting
  • instrumental learning — a method of training in which the reinforcement is made contingent on the occurrence of the response
  • intellectual property — Law. property that results from original creative thought, as patents, copyright material, and trademarks.
  • intentional community — a community designed and planned around a social ideal or collective values and interests, often involving shared resources and responsibilities.
  • internal iliac artery — iliac artery (def 3).
  • internal jugular vein — Anatomy. a jugular vein.
  • international brigade — a military force that fought on the Republican side in the Spanish Civil War, consisting of volunteers (predominantly socialists and communists) from many countries
  • interpersonal therapy — a type of psychotherapy that focuses on conflicts in one's personal relationships.
  • intracoastal waterway — a mostly inland water route, partly natural and partly artificial, extending 1550 miles (2500 km) along the Atlantic coast from Boston to Florida Bay (Atlantic Intracoastal Waterway) and 1116 miles (1800 km) along the Gulf coast from Carrabelle, Fla., to Brownsville, Tex. (Gulf Intracoastal Waterway) constructed to protect small craft from the hazards of the open sea.
  • jobseeker's allowance — (in Britain) a National Insurance or social security payment for unemployed people; replaced unemployment benefit in 1996
  • jump all over someone — to spring clear of the ground or other support by a sudden muscular effort; leap: to jump into the air; to jump out a window.
  • just leave well alone — to refrain from interfering with something that is satisfactory
  • keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
  • khalid ibn abdul aziz — 1913–82, king and President of the Council of Ministers of Saudi Arabia (1975–82)
  • lambeth quadrilateral — the four essentials agreed upon at the Lambeth Conference of 1888 for a United Christian Church, namely, the Holy Scriptures, the Apostles' Creed, the sacraments of baptism and Holy Communion, and the historic episcopate
  • lap and diagonal belt — A lap and diagonal belt is a strap attached to a seat in a vehicle that extends horizontally in front of the hips and diagonally from the outer shoulder across the chest. You fasten it across your body in order to prevent yourself being thrown out of the seat if there is a sudden movement or stop.
  • lateral magnification — the ratio of the height of the image to the height of the object in a lens or other optical system.
  • let well enough alone — separate, apart, or isolated from others: I want to be alone.
  • lexical decision task — an experimental task in which subjects have to decide as fast as possible whether a given letter string is a word
  • limit-proportionality — elastic limit.
  • liquefied natural gas — a mixture of various gases, esp methane, liquefied under pressure for transportation and used as an engine fuel
  • live to tell the tale — If you survive a dangerous or frightening experience and so are able to tell people about it afterwards, you can say that you lived to tell the tale.
  • locally compact space — a topological space in which each point has a neighborhood that is compact.
  • lucila godoy alcayaga — Frédéric [frey-dey-reek] /freɪ deɪˈrik/ (Show IPA), 1830–1914, French Provençal poet: Nobel prize 1904.
  • magneto-optical drive — magneto-optical disk
  • magnetocaloric effect — an increase or decrease of the temperature of a thermally isolated magnetic substance accompanying an increase or decrease in the intensity of a magnetic field.
  • maintenance allowance — money that is given to someone, usually on a regular basis, in order to help them pay for the things that they need
  • male pattern baldness — a pattern of hair loss in males, dependent on the presence of the androgenic hormone testoterone, in which the scalp hair eventually covers only the back of the head and temples.
  • male-pattern baldness — inherited baldness characterized by the gradual loss of hair from the front or top of the head
  • maximum value theorem — the theorem that for a real-valued function f whose domain is a compact set, there is at least one element x in the domain of f for which f (x) achieves its largest value.
  • mechanical instrument — a musical instrument, such as a barrel organ or music box, that plays a preselected piece of music by mechanical means
  • mechanical metallurgy — the branch of metallurgy dealing with the response of metals to applied forces.
  • mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
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