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Noun: suppresser  su'pre-su(r)
  1. Someone who suppresses
    "dictators are suppressers of free speech";
    - suppressor
  2. A gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
    - suppressor, suppressor gene, suppresser gene
  3. An electrical device for suppressing unwanted currents
    - suppressor

Derived forms: suppressers

Type of: cistron, controller, electrical device, factor, gene, restrainer