paraquat

paraquat
A weedkiller that produces delayed toxic effects on the liver, kidneys, and lungs when ingested; progressive interstitial pneumonia with proliferation of alveolar lining cells may develop.

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para·quat 'par-ə-.kwät n an herbicide containing a salt of a cation [C12H14N2]2+ that is used esp. as a weed killer and that is extremely toxic to the liver, kidneys, and lungs if ingested

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n.
the chemical compound dimethyl dipyridilium, widely used as a weed-killer. When swallowed it exerts its most serious effects upon the lungs, the tissues of which it destroys after a few days. Paraquat poisoning is almost invariably fatal.

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para·quat (parґə-kwaht) a poisonous dipyridilium compound whose dichloride and dimethylsulfate salts are used as contact herbicides. See paraquat poisoning, under poisoning.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Paraquat — Saltar a navegación, búsqueda Para la operación militar británica organizada para recapturar las islas Georgia del sur ver:Operación Paraquat. Paraquat …   Wikipedia Español

  • Paraquat — Représentation 3D de la molécule Général …   Wikipédia en Français

  • paraquat — ● paraquat nom masculin Herbicide et défoliant de toxicité élevée, absorbé exclusivement par les feuilles …   Encyclopédie Universelle

  • paraquat — (n.) quick acting herbicide, 1961, from PARA (Cf. para ) + first element in QUATERNARY (Cf. quaternary) …   Etymology dictionary

  • paraquat — ► NOUN ▪ a toxic fast acting herbicide. ORIGIN from PARA (Cf. ↑para ) + QUATERNARY(Cf. ↑quaternary) …   English terms dictionary

  • paraquat — [par′ə kwät΄] n. [ PARA 1 (sense 2) + QUAT(ERNARY)] a highly toxic, soluble yellow solid, CH3 (C5H4N) 2CH3· 2CH3SO4, used as a herbicide …   English World dictionary

  • Paraquat® — /parˈə kwot/ noun A weedkiller very poisonous to human beings ORIGIN: ↑para 1 and quaternary, part of its formula …   Useful english dictionary

  • Paraquat — This article is about the herbicide. For the British military operation to recapture South Georgia, see Operation Paraquat. Paraquat …   Wikipedia

  • Paraquat — Strukturformel Allgemeines Name Paraquat Andere Namen 1,1′ …   Deutsch Wikipedia

  • paraquat — [[t]pæ̱rəkwæt[/t]] N UNCOUNT Paraquat is a very poisonous substance that is used to kill weeds. [TRADEMARK] …   English dictionary

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