Enter a clue or pattern or both:
The Clue
Chemical catalysts (10 letter answer)
The Answer
ACTIVATORS
Tags
Notes
The answer ACTIVATORS is so rare that it appears less than once every 2500 puzzles.
Definition
ACTIVATOR as a noun:
1. (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