1. Adjective. (biochemistry ecology) Having allelopathic effects. ¹
2. Noun. A chemical substance having allelopathic effects. ¹
¹ Source: wiktionary.com
Medical Definition of Allelochemical
1. Biologically synthesised chemicals which entice, repel, immobilize, or alter tissues and include substances such as pheromones, venom, and phytoncides.
They are signal substances that communicate between individuals of different species.
Compare: pheromones, venom.
Origin: G. Allelon, reciprocally, + chemical
(05 Mar 2008)