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- Dictionaryvi·rus/ˈvīrəs/
noun
- 1. an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host: "the hepatitis B virus"
- 2. a piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.
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a hidden set of instructions in a computer program that is intended to introduce faults into a computer system or cause it to perform actions that were not planned. (Definition of virus from the Cambridge Academic Content Dictionary © Cambridge University Press)
The meaning of VIRUS is any of a large group of submicroscopic infectious agents that are usually regarded as nonliving extremely complex molecules, that typically contain a protein coat surrounding an RNA or DNA core of genetic material but no semipermeable membrane, that are capable of growth and multiplication only in living cells, and that ...
Jun 18, 2024 · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often cause disease in host organisms. Learn about the history, types, and features of viruses.
Aug 25, 2018 · A virus is a chain of nucleic acids (DNA or RNA) which lives in a host cell, uses parts of the cellular machinery to reproduce, and releases the replicated nucleic acid chains to infect more cells.
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. [1] . Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. [2] [3] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.
noun. any of a group of submicroscopic entities consisting of a single nucleic acid chain surrounded by a protein coat and capable of replication only within the cells of living organisms: many are pathogenic. informal. a disease caused by a virus. any corrupting or infecting influence.
May 13, 2022 · Viruses are microscopic infectious agents that contain genetic material, either DNA or RNA, and must invade a host in order to multiply. Predominantly, viruses are known for...
VIRUS meaning: 1. an extremely small piece of organic material that causes disease in humans, animals, and plants…. Learn more.
A virus is an infectious agent that can only replicate within a host organism. Viruses can infect a variety of living organisms, including bacteria, plants, and animals. Viruses...
noun. /ˈvaɪrəs/ a living thing, too small to be seen without a microscope, that causes disease in people, animals and plants. the flu/influenza virus. patients known to have been infected with the virus. the human immunodeficiency virus or HIV. the hepatitis C virus. a highly infectious disease caused by a virus. a virus infection.
