kairomone

noun
kai·​ro·​mone | \ ˈkī-rə-ˌmōn How to pronounce kairomone (audio) , -rō-\

Definition of kairomone

: a chemical substance emitted by one species and especially an insect or plant that has an adaptive benefit (such as a stimulus for oviposition) to another species

First Known Use of kairomone

1970, in the meaning defined above

History and Etymology for kairomone

Greek kairos critical time, opportunity + English -mone (as in pheromone)

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The first known use of kairomone was in 1970

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