suppressor

Noun suppressor has 3 senses

• suppressor(n = noun.person) suppresser - someone who suppresses; "dictators are suppressors of free speech"
is a kind of controller, restrainer
Derived form verb suppress₁

• suppressor(n = noun.body) suppresser, suppresser gene, suppressor gene - a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene);
is a kind of cistron, factor, gene
has particulars: tumor suppressor gene

• suppressor(n = noun.artifact) suppresser - an electrical device for suppressing unwanted currents;
is a kind of electrical device
has particulars: lightning arrester, spike arrester, spike suppressor, surge protector, surge suppressor