noun
or in·hib·it·er -bə̇d.ə(r), -bə̇tə-
( -s )
: one that inhibits: as
a.
(1) : a substance for reducing corrosion or rust formation (as in an antifreeze)
(2) : a substance for delaying gum formation (as in gasoline)
(3) : antioxidant
b. : a substance that interferes with a chemical process or reaction
polymerization inhibitors
: negative catalyst
c. : a substance that reduces the activity of another substance (as an enzyme) — compare antimetabolite
d. : a gene that checks the normal effect of another nonallelic gene when both are present