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allelopathy Line breaks: al¦lel|op¦athy
Pronunciation: /ˌaliːˈlɒpəθi/

Definition of allelopathy in English:


[mass noun] Ecology
The chemical inhibition of one plant (or other organism) by another, due to the release into the environment of substances acting as germination or growth inhibitors.
Example sentences
  • It can provide a potent mixture of allelopathy and shade for the soil, inhibiting weed seed germination.
  • He speculated that competition for light or water or allelopathy might be factors limiting the growth of seedlings within native populations.
  • The effect on seedling germination is a well-known phenomenon in allelopathy.


Pronunciation: /əˌliːlə(ʊ)ˈpaθɪk/
Example sentences
  • Most studies of allelopathic effects have focused on early vegetative plant growth, i.e. seed germination, a period with high metabolic activity.
  • Lichens were removed because they can be allelopathic.
  • An allelopathic plant releases potentially toxic substances into the environment through its roots, its leaves or processes such as evaporation.


1950s: from Greek allēl- 'one another' + -pathy.

Definition of allelopathy in:
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