in·hi·bi·tion 
(ĭn′hə-bĭshən, ĭn′ə-)
(ĭn′hə-bĭshən, ĭn′ə-)n.
1. The act of inhibiting or the state of being inhibited.
2. Something that restrains, blocks, or suppresses.
3. Psychology Conscious or unconscious restraint of a behavioral process, desire, or impulse.
4.
a. Chemistry The condition in which or the process by which a reaction is inhibited.
b. Biology The condition in which or the process by which an enzyme, for example, is inhibited.