| Word | Definitions | Synonyms |
|---|---|---|
| viroid | (noun) the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat | Synonyms: virusoid |
| virological | (adjective) of or relating to the science of virology | - |
| virologist | (noun) a specialist in virology | - |
| virology | (noun) the branch of medical science that studies viruses and viral diseases | - |