virus -
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
virology the branch of medical science that studies viruses and viral diseases
arborvirus,
arbovirus a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis
bacteriophage,
phage a virus that is parasitic (reproduces itself) in bacteria; "phage uses the bacterium's machinery and energy to produce more phage until the bacterium is destroyed and phage is released to invade surrounding bacteria"
plant virus a plant pathogen that is a virus consisting of a single strand of RNA
slow virus a virus that remains dormant in the body for a long time before symptoms appear; "kuru is caused by a slow virus"
tumor virus a cell-free filtrate held to be a virus responsible for a specific neoplasm
vector (genetics) a virus or other agent that is used to deliver DNA to a cell
virus -
a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer; "a true virus cannot spread to another computer without human assistance"
virus -
a harmful or corrupting agency; "bigotry is a virus that must not be allowed to spread"; "the virus of jealousy is latent in everyone"
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= antonym
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Wiktionary
Substantiv
virus -
Venom, as produced by a poisonous animal etc.
virus -
A type of microscopic agent that causes an infectious disease; the disease so caused.
virus -
A submicroscopic infectious organism, now understood to be a non-cellular structure consisting of a core of DNA or RNA surrounded by a protein coat. It requires a living cell to replicate, and often causes disease in the host organism.
