promoter >> /prəˈmoʊdər/
Definition: [noun] A person or company that finances or organizes a sporting event or theatrical production.
Example: a boxing promoter
Definition: [noun] A supporter of a cause or aim.
Example: Mitterrand was a fierce promoter of European integration
Definition: [noun] An additive that increases the activity of a catalyst.A region of a DNA molecule which forms the site at which transcription of a gene starts.
Example: However, in tobacco the same promoter directed GUS activity uniformly to the whole embryo.