Word Study
pheromone
WORDNET DICTIONARY
Noun pheromone has 1 sense
OXFORD DICTIONARY
pheromone, n. a chemical substance secreted and released by an animal for detection and response by another usu. of the same species.
Derivative
pheromonal adj.
Etymology
Gk phero convey + HORMONE
For further exploring for "pheromone" in Webster Dictionary Online