Usually means: Instrument measuring aperture of lenses.
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We found 7 dictionaries that define the word apertometer:

General (4 matching dictionaries)
  1. apertometer: Wordnik
  2. apertometer: Wiktionary
  3. apertometer: Infoplease Dictionary
  4. apertometer: Dictionary.com

Computing (1 matching dictionary)
  1. apertometer: Encyclopedia

Medicine (2 matching dictionaries)
  1. apertometer: Merriam-Webster Medical Dictionary
  2. online medical dictionary (No longer online)

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Definitions from Wiktionary (apertometer)

▸ noun:  (optics, microscopy) An instrument designed to measure the numerical aperture of a lens or objective of a microscope.

Similar:
auxetometer, auxometer, applanator, adaptometer, optimeter, optometer, accommodometer, absorptiometer, apomecometer, apomecometry, more...

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Similar:
auxetometer, auxometer, applanator, adaptometer, optimeter, optometer, accommodometer, absorptiometer, apomecometer, apomecometry, more...



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