amensalism

American  

[ey-men-suh-liz-uhm] / eɪˈmɛn səˌlɪz əm /

noun

Ecology.

1. a relationship between two species of organisms in which the individuals of one species adversely affect those of the other and are unaffected themselves.

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amensalism Scientific  

/ ā-mĕn′sə-lĭz′əm /

1. A relationship between two organisms in which one organism is harmed or inhibited and the other is unaffected. Examples of amensalism include the shading out of one plant by a taller and wider one and the inhibition of one plant by the secretions of another (known as allelopathy).

2. Compare commensalism mutualism parasitism

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Etymology

Origin of amensalism

Probably a- ⁶ + (com)mensal + -ism