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n. - A device that measures the fraction of radiant energy that is given back from a surface

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Usage examples (16)
  • Armed with an infrared reflectometer, they searched for hidden traces of a mural by Leonardo da Vinci that helped change the course of Western art.
  • The cable diagnostic feature is based on the time domain reflectometer (TDR) function that determines and localizes cable problems.
  • Dec. 17/PRNewswire-FirstCall/-- JDSU today introduced a field-interchangeable, single-slot optical domain reflectometer (OTDR) module for ...
  • LPSR 300, Laboratory Portable SpectroReflectometer This spectral reflectometer measures total hemispherical spectral reflectance, 250 to 2800 nm
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.