Virus is an obligate intracellular parasitic microorganism that is smaller than bacteria. Most viruses can pass through filters that retain bacteria.

Webster Dictionary Meaning

1. Virus
- Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; -- applied to organic poisons.
- The special contagion, inappreciable to the senses and acting in exceedingly minute quantities, by which a disease is introduced into the organism and maintained there.
- Fig.: Any morbid corrupting quality in intellectual or moral conditions; something that poisons the mind or the soul; as, the virus of obscene books.
Category: Microbiology
Share it:  Cite

More from this Section

  • Kline test
    Kline test is a microscopic flocculation test for the diagnosis of syphilis. ...
  • Maltose
    Maltose is a carbohydrate (disaccharide) produced by the enzymatic hydrolysis of starch ...
  • Serology
    Serology is the branch of science that is the study of serum. ...
  • Pinocytosis
    Pinocytosis is the uptake of fluids and soluble nutrients through small invaginations ...
  • Phenetic
    Phenetic in taxonomy, the relation based not on ancestry but on overall affinity or similarity. ...