Inhibitor or inhibition may refer to:

• Corrosion inhibitor, a substance that decreases the rate of metal oxidation
• Enzyme inhibitor, a substance that binds to an enzyme and decreases its activity.
• Inhibition of return, a feature of attention
• Inhibition Theory, a theory pertaining to the performance of a mental task
• Inhibitors (Revelation Space), machines in Alastair Reynolds's Revelation Space novels
• Lateral inhibition, a mechanism by which neurons are able to determine the origin of a stimulus
• Memory inhibition, processes that suppress or interfere with specific memories.
• Reaction inhibitor, a substance that prevents or decreases the rate of a chemical reaction
• Sexual inhibition, reservations relating to sexual practices
• Social inhibition, a conditioned fear reaction to social marginalization or isolation.

See also

• Preservative, a substance that inhibits spoilage
  • Embalming, the preservation of human remains
  • Food preservation, the inhibition of microbial growth in food
• Nuclear poison, an inhibitor of nuclear reactions

bs:Inhibitor da:Inhibitor fr:Inhibiteur it:Inibizione