Definition of radiometrically adverb from the Oxford Advanced Learner's Dictionary

 

radiometrically

 adverb
adverb
BrE BrE//ˌreɪdiəʊˈmetrɪkli//
 
; NAmE NAmE//ˌreɪdioʊˈmetrɪkli//
 
 
jump to other results
in a way that relates to a measurement of radioactivity These rocks have been dated radiometrically at two billion years old.