virus definición, virus significado | diccionario de inglés definición

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virus  


      n   pl   , -ruses  
1    any of a group of submicroscopic entities consisting of a single nucleic acid surrounded by a protein coat and capable of replication only within the cells of animals and plants: many are pathogenic  
2    Informal   a disease caused by a virus  
3    any corrupting or infecting influence  
4      (Computing)   an unauthorized program that inserts itself into a computer system and then propagates itself to other computers via networks or disks; when activated it interferes with the operation of the computer  
     (C16: from Latin: slime, poisonous liquid; related to Old English wase marsh, Greek ios poison)  
  virus-like      adj  


Coxsackie virus  
      n   any of various viruses that occur in the intestinal tract of man and cause diseases, some of which resemble poliomyelitis  
     (C20: after Coxsackie, a town in New York state, where the virus was first found)  
Ebola virus disease  
      n   a severe infectious disease characterized by fever, vomiting, and internal bleeding  
   Compare       Marburg disease  
     (C20: named after the Ebola river, N Democratic Republic of the Congo (formerly Zaïre), where an outbreak occurred in 1976)  
Epstein-Barr virus  
      n   a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt lymphoma,   (Abbrev.)    EBV  
     (C20: named after Sir M. A. Epstein (born 1921), and Yvonne M. Barr (born 1932), British pathologists who discovered the virus)  
human papilloma virus  
      n   any one of a class of viruses that cause tumours, including warts, in humans. Certain strains infect the cervix and have been implicated as a cause of cervical cancer,   (Abbrev.)    HPV  
para-influenza virus  
      n   any of a group of viruses that cause respiratory infections with influenza-like symptoms, esp. in children  
slow virus  
      n   any of a class of virus-like disease-causing agents that are present in the body for a long time before becoming active or infectious and are very resistant to radiation and similar factors: believed to be the cause of BSE and scrapie  
tobacco mosaic virus  
      n   the virus that causes mosaic disease in tobacco and related plants: its discovery in 1892 provided the first evidence of the existence of viruses,   (Abbrev.)    TMV  
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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"