Parts of Speech for Retroreflection
ret·ro·re·flec·tive
R r Gramatical Hierarchy
Grammatically "Retroreflection" is a adjective. But also it is used as a noun.
All about retroreflection Download all about retroreflection in pdfGrammatically "Retroreflection" is a adjective. But also it is used as a noun.
All about retroreflection Download all about retroreflection in pdf