filterable virus

filterable virus
a virus particle small enough to pass through a filter of diatomaceous earth or porcelain, which will not pass bacteria: chiefly historical or an informal indicator of size, as synthetic membrane filters now permit passage of the smallest virus.
[1910-15]

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Universalium. 2010.

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  • filterable virus — Virus Vi rus, n. [L., a slimy liquid, a poisonous liquid, poison, stench; akin to Gr. ? poison, Skr. visha. Cf. {Wizen}, v. i.] 1. (Med.) Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; applied to organic poisons …   The Collaborative International Dictionary of English

  • filterable virus — also filtrable virus n any of the infectious agents that pass through a filter esp. of diatomite or unglazed porcelain with the filtrate and remain virulent and that include the viruses as presently understood and various other groups (as the… …   Medical dictionary

  • filterable virus — n. any virus: so called because most viruses are capable of passing through fine filters that bacteria cannot pass through …   English World dictionary

  • filterable virus — noun or filtrable virus : any of the infectious agents that remain virulent after a fluid containing them passes through a filter of diatomite or unglazed porcelain and that include the viruses as presently understood and various other groups (as …   Useful english dictionary

  • filterable virus — fil′terable vi′rus n. mcr a virus small enough to pass through a bacteria retaining filter: an informal indicator of size, as recent filters can hold back the smallest viruses • Etymology: 1910–15 …   From formal English to slang

  • filterable virus — noun Date: 1911 any of the infectious agents that pass through a filter of diatomite or unglazed porcelain with the filtrate and remain virulent and that include the viruses as presently understood and various other groups (as the mycoplasmas and …   New Collegiate Dictionary

  • VIRUS — Le terme « virus » signifie poison en latin; la notion est donc ancienne. Mais elle est restée sans contenu précis jusqu’à Pasteur. C’est avec la découverte d’agents à l’origine des infections, et l’observation au microscope des bactéries et des… …   Encyclopédie Universelle

  • Virus — Vi rus, n. [L., a slimy liquid, a poisonous liquid, poison, stench; akin to Gr. ? poison, Skr. visha. Cf. {Wizen}, v. i.] 1. (Med.) Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; applied to organic poisons.… …   The Collaborative International Dictionary of English

  • virus program — Virus Vi rus, n. [L., a slimy liquid, a poisonous liquid, poison, stench; akin to Gr. ? poison, Skr. visha. Cf. {Wizen}, v. i.] 1. (Med.) Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; applied to organic poisons …   The Collaborative International Dictionary of English

  • Virus — A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with… …   Medical dictionary

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