Statws A
Pwnc:
Amgylchedd
Ffynhonnell:
TermCymru
Enw, Benywaidd, Unigol
microbelenni plastig
“microbead” means any water-insoluble solid plastic particle of less than or equal to 5mm in any dimension; “plastic” means a synthetic polymeric substance or any combination of synthetic polymeric substances;