The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.
To search for another term please use "Back to the list" to return to the main page or the e-ILV.
For the complete set of terms and definitions CIE S 017:2020 can be purchased from the CIE Webshop. Members of a CIE National Committee or Associate National Committee have access to a 66,7 % discount on the purchase price of the standard.
For advice on CIE Publications contact ciecb@cie.co.at. Please note that the CIE CB may not be able to assist with enquiries of technical nature.
spectral absorption index, <of a heavily absorbing material>
where
Note 1 to entry: The spectral absorption index has unit one.
Note 2 to entry: This entry was numbered 845-04-102 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-1208 in CIE S 017:2011.