|MFD (Multilingual Forestry Dictionary)|
|About the MFD|
|a place to look for forestry terms in multiple languages created by the Multilingual Forest Dictionary community|
|Creative Commons Attribution 4.0 license.|
Primitive microorganisms that must infect the living cells of animals, plants, or bacteria in order to replicate. When outside the host cells, viruses adopt a form consisting, most of the time, of a RNA or DNA molecule surrounded by a protein matrix.