phytoncide

Noun

 * 1)  Any volatile antimicrobial compound given off by a plant, especially one that prevents it from being eaten.

Usage notes
Do not confuse a phytoncide (a substance made by a plant to discourage insects, animals, or bacteria from eating it) with a (an herbicide to kill plants).

Translations

 * Chinese:
 * Mandarin: 芬多精
 * Finnish: fytonsidi