Viroids is likely misspelled.
Viroids has no English definition.
As a noun prions
is plural of prion.
prions
English
Noun
(head)
Anagrams
*
----
viroids
Translingual
Proper noun
(
taxoninfl)
A taxonomic name, sometimes considered an order, of a group of subviral agents that can be pathogenic in plants and are implicated in human hepatitis D infections.
Hyponyms
* (group of subviral agents) - families