Definition of Virus. Meaning of Virus. Synonyms of Virus

Here you will find one or more explanations in English for the word Virus. Also in the bottom left of the page several parts of wikipedia pages related to the word Virus and, of course, Virus synonyms and on the right images related to the word Virus.

Definition of Virus

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.) (a) Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; -- applied to organic poisons. (b) 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. Note: The specific virus of diseases is now regarded as a microscopic living vegetable organism which multiplies within the body, and, either by its own action or by the associated development of a chemical poison, causes the phenomena of the special disease. 2. Fig.: Any morbid corrupting quality in intellectual or moral conditions; something that poisons the mind or the soul; as, the virus of obscene books.

Meaning of Virus from wikipedia

- A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals...
- "infected" with a computer virus, a metaphor derived from biological viruses. Computer viruses generally require a host program. The virus writes its own code...
- The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency...
- Monkeypox virus (MPV or MPXV) is a double-stranded DNA, zoonotic virus and a species of the genus Orthopoxvirus in the family Poxviridae. It is one of...
- Coronavirus disease 2019 (COVID-19) is a contagious disease caused by a virus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first...
- An RNA virus is a virus which has ribonucleic acid (RNA) as its genetic material. The nucleic acid is usually single-stranded RNA (ssRNA) but it may be...
- Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular...
- respiratory illness responsible for the ongoing COVID-19 pandemic. The virus previously had a provisional name, 2019 novel coronavirus (2019-nCoV), and...
- Norwalk virus, Desert Shield virus and Southampton virus; and II (GII), which includes Bristol virus, Lordsdale virus, Toronto virus, Mexico virus, Hawaii...
- Influenza A virus (IAV) causes influenza in birds and some mammals, and is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae...