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 small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals...
- A computer virus is a type of malicious software program ("malware") that, when executed, replicates itself by modifying other computer programs and inserting...
- The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and over time acquired immunodeficiency syndrome...
- mosaic virus (NCMV) is a plant pathogenic virus of the family Rhabdoviridae. ICTVdB - The Universal Virus Database: Northern cereal mosaic virus Family...
- positive-sense RNA virus with a DNA intermediate and, as an obligate parasite, targets a host cell. Once inside the host cell cytoplasm, the virus uses its own...
- advisory organizations and developers of anti-virus software compile and publish lists of viruses. When a new virus appears, the rush begins to identify and...
- Smallpox was an infectious disease caused by one of two virus variants, Variola major and Variola minor. The last naturally occurring case was diagnosed...
- type of mosquito found throughout the tropics and subtropics. The virus is an RNA virus of the genus Flavivirus. The disease may be difficult to tell apart...
- An RNA virus is a virus that has RNA (ribonucleic acid) as its genetic material. This nucleic acid is usually single-stranded RNA (ssRNA) but may be double-stranded...
- (L****a virus), Lujo virus, Argentine (Junin virus), Bolivian (Machupo virus), Brazilian (Sabiá virus), Chapare hemorrhagic fever (Chapare virus) and Venezuelan...