a) Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.

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

b) A similar interaction between people.

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  • Parasitism — Par a*si tism (p[a^]r [.a]*s[imac] t[i^]z m; 277), n. [Cf. F. parasitisme.] [1913 Webster] 1. The state or behavior of a parasite; the act of a parasite. Court parasitism. Milton. [1913 Webster] 2. (Bot. & Zo[ o]l.) The state of being parasitic.… …   The Collaborative International Dictionary of English

  • parasitism — (n.) 1610s, from PARASITE (Cf. parasite) + ISM (Cf. ism). Biological sense is from 1853 …   Etymology dictionary

  • parasitism — [par′ə sīt΄iz΄əm] n. 1. the state or condition of being a parasite 2. the habits of a parasite 3. in the U.S.S.R., the state of being unemployed 4. Biol. a symbiotic association of two kinds of organisms in which the parasite is benefited and the …   English World dictionary

  • Parasitism — This article is about relationship between organisms. For other uses, see Parasite (disambiguation). Brood parasitism is a form of parasitism Parasitism is a type of symbiotic relationship between organisms of different species where one organism …   Wikipedia

  • parasitism — /par euh suy tiz euhm, si /, n. 1. Biol. a relation between organisms in which one lives as a parasite on another. 2. a parasitic mode of life or existence. 3. Pathol. a diseased condition due to parasites. 4. (in some totalitarian countries) a.… …   Universalium

  • parasitism — parazitizmas statusas T sritis ekologija ir aplinkotyra apibrėžtis Organizmų biotinių tarpusavio santykių forma, kai vienos rūšies ar populiacijos organizmai (parazitai) naudojasi kitos rūšies organizmais (maitintojais) kaip gyvenamąja aplinka ir …   Ekologijos terminų aiškinamasis žodynas

  • parasitism — parazitizmas statusas T sritis augalininkystė apibrėžtis Organizmo (parazito) gyvenimo būdas, naudojantis kitu organizmu (šeimininku) kaip gyvenamąja aplinka ir maisto šaltiniu. atitikmenys: angl. parasitism rus. паразитизм …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • parasitism — parasite ► NOUN 1) an organism which lives in or on another organism and benefits at the other s expense. 2) derogatory a person who lives off or exploits others. DERIVATIVES parasitism noun parasitology noun. ORIGIN Greek parasitos person eating …   English terms dictionary

  • Parasitism (social offense) — This article describes parasitism as a social offense in human society. For parasitism in the animal world, see Parasitism. Social parasite is a derogatory term denoting a group or class in society which is considered to be detrimental to others …   Wikipedia

  • parasitism — noun Date: circa 1611 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 3. parasitosis …   New Collegiate Dictionary

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