[kuh-lek-ter] 
| 1. | a person or thing that collects. |
| 2. | a person employed to collect debts, duties, taxes, etc. |
| 3. | a person who collects books, paintings, stamps, shells, etc., esp. as a hobby. |
| 4. | Electricity. a device for accumulating current from contact conductors. |
| 5. | Electronics. an electrode in a transistor or vacuum tube for collecting electrons, ions, or holes. |
| 6. | Metallurgy. promoter (def. 5). |
| 7. | Energy. solar collector. |
[pruh-moh-ter] | 1. | a person or thing that promotes, furthers, or encourages. |
| 2. | a person who initiates or takes part in the organizing of a company, development of a project, etc. |
| 3. | a person who organizes and provides financial backing for a sporting event or entertainment. |
| 4. | Chemistry. any substance that in small amounts is capable of increasing the activity of a catalyst. |
| 5. | Also called collector. Metallurgy. a water-repellent reagent enhancing the ability of certain ores to float so that they can be extracted by the flotation process. |
| 6. | Genetics.
|
| 7. | Obsolete. an informer. |
| any of numerous devices or systems designed to capture and use solar radiation for heating air or water and for producing steam to generate electricity. |
| col·lec·tor (kə-lěk'tər) n.
|
promoter pro·mot·er (prə-mō'tər)
n.
A substance that increases the activity of a catalyst.
A DNA molecule to which RNA polymerase binds, initiating the transcription of mRNA.
A chemical that may promote carcinogenicity or mutagenicity.
| promoter (prə-mō'tər) Pronunciation Key
The region of an operon that acts as the initial binding site for RNA polymerase. |
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