n 1  :  a hypothetical symbiont resembling a virus that was formerly held to be present in cells, to be favorable to the host, and to tend to mutate to a virus  2  :  any of several causative agents of plant disease that consist solely of a single-stranded RNA of low molecular weight arranged in a closed loop or a linear chain
adj 1  :  caused by a virus < pneumonia>   2  :  of or relating to viroids .
 
 
 
Similar sounding terms:  far·ad  far·a·day  fruit  furred 
 
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