Nano-gronyn: Gwahaniaeth rhwng fersiynau

Yn ôl diffiniad yr [[IUPAC]], [[gronyn]] o unrhyw ffurf gyda dimensiynau rhwng 1 a 100 [[nanomedr]] yw '''nano-gronyn'''.<ref>{{cite journal|title=Terminology for biorelated polymers and applications (IUPAC Recommendations 2012)|journal=[[''Pure and Applied Chemistry]]''|year=2012|volume=84|issue=2|pages=377–410|doi=10.1351/PAC-REC-10-12-04|url=http://pac.iupac.org/publications/pac/pdf/2012/pdf/8402x0377.pdf}}</ref>