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1. A relationship between two organisms of different species in which one is a parasite and the other is a host.
2. The characteristic behavior or mode of existence of a parasite or parasitic population.
1. (Biology) the relationship between a parasite and its host
2. (Pathology) the state of being infested with parasites
3. the state of being a parasite
4. (Biology) the state of being a parasite
par•a•sit•ism(ˈpær ə saɪˌtɪz əm, -sɪ-)
1. a relation between organisms in which one lives as a parasite on another.
2. a parasitic mode of existence.
3. a diseased condition due to parasites.
A symbiotic relationship between two organisms of different species in which one organism benefits and the other is generally harmed. See Note at symbiosis.
a relationship between animals in which one gains sustenance from the other. Cf. commensalism. See also biology; plants.See also: Animals
a relationship between plants in which one gains sustenance from the other. See also animals; biology.See also: Plants
the living together of two organisms in a relationship that is beneficial to one and destructive to the other. — parasitic, parasitical, adj.See also: Biology
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|Noun||1.||parasitism - the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)|