what is pheromones
Full Definition of PHEROMONE. : a chemical substance that is usually produced by an animal and serves especially as a stimulus to other individuals of the same species for one or more behavioral responses. â pherÂ·oÂ·monÂ·al \Ëfer-É-ËmÅ-nÉl\ adjective.See pheromone defined for English-language learners.See pheromone defined for kids.ADVERTISEMENT. a chemical substance that is usually produced by an animal and serves especially as a stimulus to other individuals of the same species for one or more behavioral responses. â pherÂ·oÂ·monÂ·al \Ëfer-É-ËmÅ-nÉl\ adjective. See pheromone defined for English-language learners. See pheromone defined for kids. ADVERTISEMENT.