'Suppressor' definitions:

Definition of 'suppressor'

(from WordNet)
noun
Someone who suppresses; "dictators are suppressors of free speech" [syn: suppressor, suppresser]
noun
A gene that suppresses the phenotypic expression of another gene (especially of a mutant gene) [syn: suppressor, suppresser, suppressor gene, suppresser gene]
noun
An electrical device for suppressing unwanted currents [syn: suppressor, suppresser]

Definition of 'Suppressor'

From: GCIDE
  • Suppressor \Sup*press"or\, n. [L., hider.] One who suppresses. [1913 Webster]