Enter a clue or pattern or both:
The Clue
Attractive substance (9 letter answer)
The Answer
PHEROMONE
Tags
Notes
The answer PHEROMONE is so rare that it appears less than once every 2500 puzzles.
Definition
PHEROMONE as a noun:
1. a chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species