any of various chemical substances, secreted externally by certain animals, that convey information to, and produce specific responses in, other individuals of the same species
Origin of pheromone; from Classical Greek pherein, to carry, bear + -o- + (hor)mone
A chemical secreted by an animal, especially an insect, that influences the behavior or physiology of others of the same species, as by attracting members of the opposite sex or marking the route to a food source.
Origin of pheromoneGreek pherein, to carry; see bher-1 in Indo-European roots + (hor)mone.
From φέρω (phero, “I bring, bear, carry”) and hormone.