Definition

1. Noun:
   • A person or thing that suppresses: Someone or something that actively prevents, stops, or holds back an action, process, or expression.
   • An electrical device: A component designed to eliminate or reduce unwanted electrical currents, such as noise or voltage spikes.
   • A genetic agent: In genetics, a gene that counteracts the effect of another gene, particularly a mutant gene, preventing its phenotypic expression.

Usage and Examples

• Referring to a person or entity:
  • The regime was a brutal suppressor of dissent.
  • She acted as a suppressor of her own emotions to appear strong.
• Referring to an electrical device:
  • Install a power line suppressor to protect your computer from surges.
  • The radio's noise suppressor eliminated the static.
• Referring to genetics:
  • The researcher identified a tumor suppressor gene.
  • A suppressor mutation can restore a normal phenotype.

Advanced Usage

• "Suppressor cell": In immunology, a type of T-cell that downregulates the immune response.
  • Suppressor T-cells help prevent autoimmune reactions.
• "Noise suppressor": A specific type of suppressor for acoustic or electronic noise.
  • Guitarists often use a noise suppressor pedal in their signal chain.

Variants and Related Words

• Suppress (verb): To forcibly put an end to; to restrain or prevent the expression of.
  • The government tried to suppress the news.
• Suppression (noun): The act of suppressing.
  • The suppression of the rebellion was swift.
• Suppressive (adjective): Tending or serving to suppress.
  • The treatment had a suppressive effect on the virus.

Synonyms

• Repressor: One that restrains or inhibits.
• Inhibitor: An agent that slows or prevents a process.
• Queller: One that puts an end to something, especially by force.
• Muffler (for sound/device): A device that deadens sound.

Related Phrases and Compounds

• Fire suppressor: A system or agent (like foam) used to extinguish fires.
  • The data center is equipped with an automatic fire suppressor.
• Voltage suppressor: An electrical component that clamps transient voltage spikes.
  • The voltage suppressor saved the circuit board during the power surge.
• Myth suppressor: (Informal/figurative) A person or fact that dispels a false belief.
  • She became a myth suppressor, dedicated to debunking pseudoscience.

Noun

1. an electrical device for suppressing unwanted currents
2. a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
3. someone who suppresses
   • dictators are suppressors of free speech