pheromone /ˈferəˌmoʊn/ noun plural pheromones
plural pheromones
Learner's definition of PHEROMONE
[count] biology
: a chemical substance that an animal or insect produces in order to attract other animals or insects and especially a mate信息素，外激素（动物或昆虫释放的能够吸引其他动物或昆虫尤其是伴侣的化学物质）