virus

Etymology
From, from , via rhotacism from , from. First use in the computer context by David Gerrold in his 1972 book When HARLIE Was One.

Noun

 * 1) A submicroscopic, non-cellular structure consisting of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and often causes disease in the host organism; such agents are often classed as nonliving infectious particles and less often as microorganisms.
 * 2)  A quantity of such infectious agents
 * 3)  A disease caused by such an infectious agent; a viral illness.
 * 4)  Venom, as produced by a poisonous animal etc.
 * 5)  A type of malware which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks, often causing damage to systems and data; also computer virus.
 * 6)  Any type of malware.
 * 7)  Any malicious or dangerous entity that spreads from one place or person to another.
 * 1)  Venom, as produced by a poisonous animal etc.
 * 2)  A type of malware which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks, often causing damage to systems and data; also computer virus.
 * 3)  Any type of malware.
 * 4)  Any malicious or dangerous entity that spreads from one place or person to another.
 * 1)  Any type of malware.
 * 2)  Any malicious or dangerous entity that spreads from one place or person to another.
 * 1)  Any malicious or dangerous entity that spreads from one place or person to another.

Verb

 * 1)  To send or infect an electronic device with a computer virus.

Etymology
From.

Noun

 * 1) virus

Etymology
Ultimately from.

Noun

 * 1)  virus
 * 2)  computer virus

Etymology
.

Noun

 * 1) virus

Noun

 * 1) virus

Etymology
.

Noun

 * 1)  virus

Etymology
.

Noun

 * 1)  virus (a submicroscopic, non-cellular structure)
 * 2)  virus (a type of computer malware)

Etymology
From.

Noun

 * 1) virus

Etymology
From. Coined in the virological sense by ; the word had been previously used for pathogens, although not for viruses in the modern sense. The computing sense derives from.

Noun

 * 1)  virus
 * 2)  virus (computer virus)

Usage notes
Like most Latin borrowings, this word kept its original Latin gender (neuter); it is one of the few Dutch words ending in -us which is not masculine; cf. also and. Marginally, use as a masculine noun is sometimes erroneously encountered, indeed based on the ending.

Etymology
From.

Noun

 * 1) virus
 * 2)  virus computer virus

Etymology
.

Noun

 * 1) virus

Etymology
.

Noun

 * 1) virus (pathogen)
 * 2) computer virus

Etymology
, from, via rhotacism from , from. .
 * The computing sense is a.

Noun

 * 1) virus
 * 2) a submicroscopic, non-cellular structure consisting of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and often causes disease in the host organism; such agents are often classed as nonliving infectious particles and less often as microorganisms.
 * 3)  a quantity of such infectious agents.
 * 4)  a disease caused by such an infectious agent; a viral illness.
 * 5)  a type of malware which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks, often causing damage to systems and data.
 * 6)  any type of malware.

Noun

 * 1) virus

Etymology
.

Noun

 * 1)  virus

Noun

 * 1) virus

Etymology
Via rhotacism from, from. Cognates include 🇨🇬, 🇨🇬, 🇨🇬, and 🇨🇬. The neuter gender of this term despite its nominative singular ending in the masculine second-declension -us is possibly a relic of this term's inheritance from a neuter s-stem.

Noun

 * 1) venom
 * 2) a plant- or animal-sourced substance with medicinal or magical properties
 * 3) a liquid element that makes something taste or smell bitter or acrid
 * 4)  bitterness, acrimony
 * 5)  a virus

Declension

 * There is also the heteroclitic genitive singular.
 * When used in modern biology with the same meaning of English virus, a plural can be formed using the same suffixes of regular neuters of the 2nd declension (i.e., vīra, vīrōrum, vīrīs, vīra, vīrīs, vīra):

Etymology
From, from , from rhotacism from.

Noun

 * 1) virus:
 * 2)  A submicroscopic, non-cellular structure consisting of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and often causes disease in the host organism; such agents are often classed as nonliving infectious particles and less often as microorganisms.

Noun

 * 1)  virus

Etymology
From.

Noun

 * 1)  virus
 * 2)  virus (computer virus) (see )

Etymology
From.

Noun

 * 1)  virus
 * 2)  virus (computer virus) (see )

Etymology
,.

Noun

 * 1) virus

Noun

 * 1)  virus (DNA/RNA causing disease)
 * 2)  computer virus

Etymology
.

Noun

 * 1) virus
 * 2) computer virus

Etymology
From.

Noun

 * 1)  virus
 * 2)  computer virus

Etymology
, from. . Used due to.

Noun

 * 1)  virus
 * 2)  computer virus
 * 1)  computer virus