# 催化剂
## Noun (N)
### Sense: (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
- ตัวปลุกฤทธิ์
- สารปลุกฤทธิ์
### Sense: (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
- ตัวเร่งปฎิกิริยา
- ตัวเร่งปฏิกิริยา