Aperture
Revision as of 05:57, 24 July 2013 by (username removed)
Description
An adjustable opening for radiation to enter or exit an optical instrument.
Synonyms and Related Terms
blænde (Dan.); Blende (Deut.); ouverture (Fr.); diafragma (Ned.); apertura (Pol.); bländare (Sven.)
Authority
- Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Aperture (Accessed Mar. 20, 2006) -for non-English terms