noun
- extremely small infectious agents that can only reproduce inside living cells and cause diseases in humans, animals, and plants
- harmful computer programs that can copy themselves and damage or disrupt computer systems
Usage: biology; medicine
Usage: computing; technology
Examples
- The flu is caused by viruses that spread through the air.
- Scientists are studying how viruses mutate over time.
- Vaccines help protect the body against certain viruses.
- Computer viruses can steal personal information from your device.
- The antivirus software detected several viruses on the laptop.
- Many plant diseases are caused by viruses transmitted by insects.
- The email contained viruses that could harm the computer network.