Allelochemic

Definition

A chemical produced or acquired by one organism that influences the behavior or physiology of another organism, typically of a different species.

Etymology

From Greek 'allelo-', meaning 'other' and 'chemos', meaning 'chemical'.

Example

Allelochemics are important for defense mechanisms against predators, as well as for communication between species.

Related Terms

• Semiochemical
• Allomone
• Kairomone
• Synomone

Usage Notes

Allelochemics can be volatile or non-volatile and often have complex interactions with the environment.