semiochemical

/S EH0 M IY0 OW0 K EH1 M IH0 K AH0 L/
noun
  1. 1

    Any substance, produced by an organism, that provokes a response in individuals of the same or different species

adjective
  1. 1

    Relating to semiochemistry.

Source: https://en.wiktionary.org/wiki/semiochemical