Definitions for "Kairomone"
A chemical or mixture of chemicals emitted by an organism (e.g. a plant) that induces a response in an individual of another species (e.g. an insect) that is beneficial to the receiving organism. An example of a kairomone is a plant scent that makes the plant more easily identifiable to an insect pest. (See also allomone)
a class of pheromone which is an interspecific chemical secretion that benefits the receiver but not the emitter; also defined as a pheromone produced by organisms to attract a mate, though in some cases can also undesirably attract the attention of a predator
(1) A substance produced by a predator that induces an adaptive change in the development of the prey. (2) Plant chemical that attracts herbivores.