Definitions of aperture

  1. an opening in something Scrapingweb Dictionary DB
  2. an opening; usually small Scrapingweb Dictionary DB
  3. a device that controls amount of light admitted Scrapingweb Dictionary DB
  4. an man-made opening; usually small Wordnet Dictionary DB
  5. a natural opening in something Wordnet Dictionary DB
  6. The act of opening. Webster Dictionary DB
  7. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall. Webster Dictionary DB
  8. The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture. Webster Dictionary DB
  9. An opening; a gap, hole, chasm, or passage. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  10. 1. An opening, orifice. 2. The diameter of the objective of a microscope. A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
  11. An opening; a hole. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  12. An opening; orifice; hole; cleft. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  13. An opening; a gap or passage. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  14. An opening; a cleft or gap. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  15. a'p[.e]rt-[=u]r, n. an opening: the space through which light passes in an optical instrument: a hole. [L. apertura--aper[=i]re, to open.] gutenberg.org/ebooks/37683
  16. Opening, gap; space through which light passes in optical instruments. [Latin] Concise Oxford Dictionary
  17. An opening or orifice. American pocket medical dictionary.
  18. An opening. Appleton's medical dictionary.
  19. Of a lens, the diameter of the portion of the lens exposed to the light. Appleton's medical dictionary.
  20. n. [Latin] An opening, either natural or artificial, through some solid substance; a hole. Cabinet Dictionary
  21. The act of opening; an open place. Complete Dictionary

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