Pronunciation: ˌ nir- ˌ ə l-tr ə - ' v ī -( ə -)l ə t
Function: adjective
Date: 1951
: of, relating to, or being the longest wavelengths of radiation in the ultraviolet spectrum especially between 300 and 400 nanometers
Pronunciation: ˌ nir- ˌ ə l-tr ə - ' v ī -( ə -)l ə t
Function: adjective
Date: 1951
: of, relating to, or being the longest wavelengths of radiation in the ultraviolet spectrum especially between 300 and 400 nanometers
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012