名詞 pheromone:

1. a chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species

pher.o.mone

n.（名詞）
A chemical secreted by an animal, especially an insect, that influences the behavior or development of others of the same species.
信息素，外激素：一種由動物，尤其是昆蟲分泌的化學(xué)物質(zhì)，會影響同族其它成員的行為或成長

來源：
Greek pherein [to carry] * see bher-
希臘語 pherein [攜帶] *參見 bher-
(hor)mone
(hor)mone

【引伸】
pher.omon.al
adj.（形容詞）