Type of paper (9)
I believe the answer is:
newsprint
'type of paper' is the definition.
(I know that newsprint is a type of paper)
This is the entire clue.
(Other definitions for newsprint that I've seen before include "needed for the papers" , "cheap paper" , "Paper used by the Guardian or Daily Mirror, say" , "sports pages and much else" , "Kind of paper this is produced on" .)