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English definition of “pheromone”

pheromone

noun [C] uk   /ˈfer.ə.məʊn/ us    /-moʊn/ specialized
a chemical substance released by an animal that influences the behaviour of another animal of the same type, for example by attracting it sexuallyAnimal biochemistry
(Definition of pheromone from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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