n. 促进者, 助长者

[化] 助催化剂

[医] 助催化剂, 促催化剂

[经] (企业等的)发起人, 创办人

Promoter \Pro*mot"er\, n.
1. One who, or that which, forwards, advances, or promotes;
an encourager; as, a promoter of charity or philosophy.
--Boyle.

2. Specifically, one who sets on foot, and takes the
preliminary steps in, a scheme for the organization of a
corporation, a joint-stock company, or the like.

3. One who excites; as, a promoter of sedition.

4. An informer; a makebate. [Obs.] --Tusser.

5. (Genetics) The region of a DNA molecule to which RNA
polymerase binds to initiate the process of transcription,
i.e. the synthesis of RNA whose sequence is determined by
the sequence of the DNA adjacent to the promoter site;
also, the sequence of bases in the DNA at such a promoter
site.
[PJC]

6. (Chem.) A substance that increases the activity of a
catalyst, when present in small quantity in the reaction
mixture.
[PJC]