Definitions
1.NounCertain viruses significantly larger than other known viruses
Any virus of the family Mimiviridae
Any virus of the proposed family Mimiviridae, genus Megavirus, represented by the newly discovered species Megavirus chilensis
2.NounAny virus of the family Mimiviridae
3.NounAny virus of the proposed family Mimiviridae, genus Megavirus, represented by the newly discovered species Megavirus chilensis