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apertometer

 - 2 dictionary results

ap⋅er⋅tom⋅e⋅ter

  [ap-er-tom-i-ter]
Use apertometer in a Sentence
–noun Optics.
an instrument for measuring the angular and numerical aperture of the objective lens of a microscope.
Origin:
1875–80; apert(ure) + -o- + -meter
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: ap·er·tom·e·ter
Pronunciation: "ap-&r-'täm-&t-&r
Function: noun
: an instrument for measuring thenumerical aperture of objectives (as those of a microscope)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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