pheromone

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++pher·o·mone /ˈferəməʊn $ -moʊn/ noun [countable usually plural]  a chemical that is produced by people’s and animals’ bodies and is thought to influence the behaviour of other people or animals 信息素，外激素

Examples from the Corpus

pheromone• When, for instance in Solenopsis, the food source is so large that many ants are needed, mass-acting pheromones are released.• Do plants, then, also communicate by means of airborne pheromones or in some other, perhaps more subtle fashion, as well?• Pests are monitored with traps laced with attractive pheromones, to time limited chemical spraying with ultra-low volume equipment.• Meanwhile, new subscribers began to flock, like moths scenting pheromones, to the Times.Origin pheromone (1900-2000) Greek pherein “to carry” + English -mone (as in hormone)

pher·o·mone nounChineseSyllable  

Corpus a that by is chemical people’s produced

pheromone
pher‧o‧mone /ˈferəməʊn $ -moʊn/ noun [countable usually plural]a chemical that is produced by people’s and animals’ bodies and is thought to influence the behaviour of other people or animals

phero·moneBrE /ˈferəməʊn/ 🔊NAmE /ˈferəmoʊn/ 🔊 noun (biology 生物) a substance produced by an animal as a chemical signal, often to attract another animal of the same species 外激素；信息素