. "\"The enzymatic addition of a sequence of adenylyl residues (polyadenylation) at the 3' end of a non-coding RNA, occurring as part of the process of polyadenylation-dependent non-coding RNA catabolism.\" [GOC:dph, GOC:jl, GOC:tb]" . . "ncRNA polyadenylation involved in polyadenylation-dependent ncRNA catabolic process" . . "ncRNA polyadenylation during polyadenylation-dependent ncRNA catabolic process" . . . . . . . . . . . . .