Revision as of 16:59, 1 May 2016 by Jruggiero (Text replace - "== Authority ==" to "== Sources Checked for Data in Record ==")
In optics, the lag distance of two refracted rays when they emerge from a crystal. The retardation is due to the refractive index of the crystal and its thickness.
Synonyms and Related Terms
retard (Fr.); Verlangsamung (Deut.)
Sources Checked for Data in Record
- Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972