Home › Words › H › hypermethylatorhypermethylatorhypermethylator means any entity responsible for hypermethylation.EtymologyFrom hyper- + methylator.nounAny entity responsible for hypermethylatione.g.“Of note, miR-29c is itself a post-transcriptional regulator of DNMT3b, and others have shown that DNMT3b is overexpressed in breast cancer cell lines with a hypermethylator phenotype [12, 38 ].” — 2015 November 6, “Molecular Subtype-Specific Expression of MicroRNA-29c in Breast Cancer Is Associated with CpG Dinucleotide Methylation of the Promoter”, in PLOS ONE, →DOI:Definitions & examples from Wiktionary (CC BY-SA 3.0).