parasitism

noun par·a·sit·ism \ ˈper-ə-sə-ˌti-zəm , -ˌsī- , ˈpa-rə- \

Definition of parasitism

1 : the behavior of a parasite
2 : an intimate association between organisms of two or more kinds; especially : one in which a parasite obtains benefits from a host which it usually injures

Recent Examples of parasitism from the Web

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First Known Use of parasitism

circa 1611


Medical Dictionary

parasitism

noun par·a·sit·ism \ ˈpar-ə-sə-ˌtiz-əm , -ˌsīt-ˌiz- \

medical Definition of parasitism

1 : an intimate association between organisms of two or more kinds; especially : one in which a parasite obtains benefits from a host which it usually injures

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