semiochemical

(redirected from semiochemicals)
Also found in: Dictionary, Encyclopedia.

semiochemical

(sĕm′ē-ō-kĕm′ĭ-kəl, sĕm′ī-)
n.
A chemical emitted by an organism that influences the physiology or behavior of an organism of the same or a different species, such as a pheromone or an allelochemical.