Definition of reflectivity noun from the Oxford Advanced Learner's Dictionary

 

reflectivity

 noun
noun
BrE BrE//ˌriːflekˈtɪvɪti//
 
; NAmE NAmE//ˌriːflekˈtɪvɪti//
 
; BrE BrE//rɪˌflekˈtɪvɪti//
 
; NAmE NAmE//rɪˌflekˈtɪvɪti//
 
[uncountable](physics) Materials and properties
 
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the degree to which a material reflects light or radiation See related entries: Materials and properties
See the Oxford Advanced American Dictionary entry: reflectivity