virus-like

World English Dictionary
virus (ˈvaɪrəs)
 
n , pl -ruses
1.  any of a group of submicroscopic entities consisting of a single nucleic acid chain surrounded by a protein coat and capable of replication only within the cells of living organisms: many are pathogenic
2.  informal a disease caused by a virus
3.  any corrupting or infecting influence
4.  computing an unauthorized program that inserts itself into a computer system and then propagates itself to other computers via networks or disks; when activated it interferes with the operation of the computer
 
[C16: from Latin: slime, poisonous liquid; related to Old English wāse marsh, Greek ios poison]
 
'virus-like
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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