WordNet (r) 3.0 (2006):
suppresser n 1: someone who suppresses; "dictators are suppressors of free speech" [syn: suppressor, suppresser] 2: a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene) [syn: suppressor, suppresser, suppressor gene, suppresser gene] 3: an electrical device for suppressing unwanted currents [syn: suppressor, suppresser]