Activator and Stimulator

Activator noun - (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.

Stimulator and activator are semantically related in accelerator topic. In some cases you can use "Stimulator" instead a noun "Activator".

Activator and stimulator are semantically related in accelerator topic. Sometimes you can use "Activator" instead a noun "Stimulator".