This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. An infectious particle, similar to but smaller than a virus, that consists solely of a strand of RNA and is capable of causing disease in plants.

n. plant pathogens, of the order Viroidales, that consist of just a short section of RNA but without the protein coat typical of viruses

n. human pathogen, most notably hepatitis D.

n. the smallest of viruses; a plant virus with its RNA arranged in a circular chromosome without a protein coat

"Locking her arms around the doctor despite his indignant yelp, she whirled him away from the entrance and beyond the snaking grasp of one of the viroid creatures."

plant virus