Parts of Speech for Retrogradation
ret·ro·gra·da·tion
R r Gramatical Hierarchy
Grammatically "Retrogradation" is a noun. But also it is used as a .
All about retrogradation Download all about retrogradation in pdfGrammatically "Retrogradation" is a noun. But also it is used as a .
All about retrogradation Download all about retrogradation in pdf