| 单词 | virion |
| 释义 | virion /vuy"ree on', vir"ee-/, n. the infectious form of a virus as it exists outside the host cell, consisting of a nucleic acid core, a protein coat, and, in some species, an external envelope. [ < F virion (1959), equiv. to viri(en) viral (see VIRUS, -IAN) + -on -ON1] |
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