n.
Pronunciation: i- ' r ā -d ē - ə n(t)s
Function: noun
Date: 1599
1 : RADIANCE 1
2 : the density of radiation incident on a given surface usually expressed in watts per square centimeter or square meter
n.
Pronunciation: i- ' r ā -d ē - ə n(t)s
Function: noun
Date: 1599
1 : RADIANCE 1
2 : the density of radiation incident on a given surface usually expressed in watts per square centimeter or square meter
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012