Parasitism definition

părə-sĭ-tĭzəm, -sī-
A relationship between two organisms of different species in which one is a parasite and the other is a host.
noun
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A relationship between two organisms in which one organism (the parasite) benefits and the other (the host) is harmed. Parasites derive nutrition from their host and may also gain other benefits such as shelter and a habitat in which to grow and reproduce.
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The characteristic behavior or mode of existence of a parasite or parasitic population.
noun
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A relationship between two organisms of different species in which one is a parasite and the other is a host.
noun
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Parasitism is a relationship between two different organisms where the parasite harms the host.

When worms live in a dog and take nutrients from the dog, this is an example of parasitism.

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The habits of a parasite.
noun
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In the U.S.S.R., the state of being unemployed.
noun
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(med.) The condition of being infested with parasites.
noun
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The characteristic behavior or mode of existence of a parasite or parasitic population.
noun
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Parasitosis.
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(ecology) Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.
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(figuratively) A similar interaction between people.

We accused her of parasitism in taking his hard-earned money for new dresses.

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Parasitosis.
noun
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The state or condition of being a parasite.
noun
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(biol.) A symbiotic association of two kinds of organisms in which the parasite is benefited and the host is usually harmed.
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Other Word Forms

Noun

Singular:
parasitism
Plural:
parasitisms

Origin of parasitism

  • From parasite +"Ž -ism.

    From Wiktionary