inhibitor

from WordNet (r) 3.0 (2006)
inhibitor
    n 1: a substance that retards or stops an activity [ant:
         {activator}]
from The Collaborative International Dictionary of English v.0.48
Inhibitor \In*hib"i*tor\, n. [NL.]
   That which causes inhibitory action; esp., an inhibitory
   nerve.
   [1913 Webster]
antiflux / dictionary / inhibitor
[email protected]