activator
使活躍之物,催化劑,觸媒劑
ac·ti·va·tor /ˈæktəˌvetɚ/ 名詞
活性劑,活化劑,激活物,激活子,雙頜式功能矯正器
activator
n : (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 [ant: inhibitor]