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16-letter words containing i, r, t, a, o, n

  • frontier orbital — the highest-energy occupied orbital or lowest-energy unoccupied orbital in a molecule. Such orbitals have a large influence on chemical properties
  • functional group — a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.
  • functional water — water containing additives that provide extra nutritional value
  • funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
  • gamma correction — (hardware)   Adjustments applied during the display of a digital representation of colour on a screen in order to compensate for the fact that the Cathode Ray Tubes used in computer monitors (and televisions) produce a light intensity which is not proportional to the input voltage. The light intensity is actually proportional to the input voltage raised to the inverse power of some constant, called gamma. Its value varies from one display to another, but is usually around 2.5. Because it is more intuitive for the colour components (red, green and blue) to be varied linearly in the computer, the actual voltages sent to the monitor by the display hardware must be adjusted in order to make the colour component intensity on the screen proportional to the value stored in the computer's display memory. This process is most easily achieved by a dedicated module in the display hardware which simply scales the outputs of the display memory before sending them to the digital-to-analogue converters. More expensive graphics cards and workstations (particularly those used for CAD applications) will have a gamma correction facility. In combination with the "white-point" gamma correction is used to achieve precise colour matching.
  • gastro-resistant — A gastro-resistant tablet is designed to temporarily withstand attack by stomach acid.
  • gastrointestinal — of, relating to, or affecting the stomach and intestines.
  • gaudí (i cornet) — An‧to‧nio (ɑnˈtɔnjɔ ) ; änt^ōˈny^ō) 1852-1926; Sp. architect
  • gender-normative — cisgender.
  • general aviation — aviation including business flying, sports flying, and crop dusting.
  • general election — U.S. Politics. a regularly scheduled local, state, or national election in which voters elect officeholders. Compare primary (def 15). a state or national election, as opposed to a local election.
  • general hospital — A general hospital is a hospital that does not specialize in the treatment of particular illnesses or patients.
  • general solution — a solution to a differential equation that contains arbitrary, unevaluated constants.
  • generation jones — members of the generation of people born in the Western world between the mid-1950s and the mid-1960s
  • golden rain tree — an ornamental tree, Koelreuteria paniculata, of the soapberry family, native to China and adjacent areas, having pinnate leaves, large clusters of fragrant yellow flowers, and inflated pods containing black seeds used as beads.
  • goods in transit — articles that are in the process of being carried by vehicle from one place to another
  • governmentalized — Simple past tense and past participle of governmentalize.
  • grade separation — separation of the levels at which roads, railroads, paths, etc., cross one another in order to prevent conflicting rows of traffic or the possibility of accidents.
  • grand inquisitor — (often initial capital letters) the presiding officer of a court of inquisition.
  • granulocytopenia — a diminished number of granulocytes in the blood, which occurs in certain forms of anaemia
  • great depression — the economic crisis and period of low business activity in the U.S. and other countries, roughly beginning with the stock-market crash in October, 1929, and continuing through most of the 1930s.
  • grid declination — the angular difference between true north and grid north on a map
  • growth potential — capability of expanding
  • hair conditioner — a substance used, often after shampooing, to detangle and improve the condition of the hair. Like shampoo, it is applied to wet hair and then rinsed out after applying.
  • hamiltonian tour — Hamiltonian problem
  • hang around with — to associate or socialize with
  • hard times token — any of a series of U.S. copper tokens, issued 1834–41, bearing a political inscription or advertising message and serving as currency during coin shortages.
  • harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
  • have no time for — not tolerate
  • health inspector — a public employee who inspects places such as restaurants, shops, factories etc to make sure they are hygienic and do not pose any dangers to health
  • heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
  • heat prostration — heat exhaustion.
  • hematocrystallin — (biology, archaic) hemoglobin.
  • herman hollerith — (person)   The promulgator of the punched card. Hollerith was born on 1860-02-29 and died on 1929-11-17. He graduated from Columbia University, NewYork, NY, USA. He joined the US Census Bureau as a statistician where he used a punched card device to help analyse the 1880 US census data. This punched card system stored data in 80 columns. This "80-column" concept has carried forward in various forms into modern applications. In 1896, Hollerith founded the Tabulating Machine Company to exploit his invention and in 1924 his firm became part of IBM. The Hollerith system was used for the 1911 UK census. A correspondant writes: Wasn't Hollerith's original machine first used for the 1990 US census? And I think I am right in saying that the physical layout was a 20x12 grid of round holes. The one I have seen (picture only, unfortunately, not the real thing) did not use 'columns' as such but holes were grouped into irregularly-shaped fields, such that each hole had a more-or-less independent function.
  • heroin addiction — addiction to the drug heroin
  • heteropalindrome — Something that spells something else when reversed, a semordnilap.
  • hierophantically — In a hierophantic manner; in the manner of a hierophant.
  • higher education — education beyond high school, specifically that provided by colleges and graduate schools, and professional schools.
  • historical novel — a novel within the genre of historical fiction.
  • hit one's straps — to achieve one's full potential or become fully effective
  • holier-than-thou — obnoxiously pious; sanctimonious; self-righteous.
  • horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
  • horizontal plane — flat surface parallel to the horizon
  • horizontal union — a labor union organized by skills or trades of its members rather than by industries.
  • hospital corners — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
  • housing shortage — a deficiency or lack in the number of houses needed to accommodate the population of an area
  • hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
  • hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
  • hyperconjugation — (organic chemistry) A weak form of conjugation in which single bonds interact with a conjugated system.
  • hyperinnervation — the act of innervating; state of being innervated.
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