Optical density

Description

The measurement unit for opacity. Optical density is expressed as the logarithm to base 10 of the reciprocal of transmittance (transmission measurement) or reflectance (reflection measurement).

Synonyms and Related Terms

Schwärzung (Deut.); densité optique (Fr.);

Authority

ASTM, Standard Terminology of Microscopy, Annual Book of ASTM Standards, Section 14, General Methods and Instrumentation, ASTM, E175, 75-78, May 1982

The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

Optical density

Description

Synonyms and Related Terms

Authority

Navigation menu

<p>Search </p><p><nowiki> <script> $(function(){ $('#cameonav_materials').addClass('current'); }); </script> </nowiki> </p>

Optical density

Description

Synonyms and Related Terms

Authority

Navigation menu $(function(){ $('#cameonav_materials').addClass('current'); });

<p>Search </p><p><nowiki> <script> $(function(){ $('#cameonav_materials').addClass('current'); }); </script> </nowiki> </p>

Navigation menu