viroid (noun)

1. In ancient Greek mythology, there is a viroid-like creature called Nymphalidae, which is said to bring disease and destruction.

2. In the science fiction novel, the protagonist discovers a hidden viroid that possesses the ability to control human thoughts and actions.

3. The love story between two scientists studying viroids became the inspiration for a romantic novel titled 'Love in the Microscopic World'.

4. The abstract painting depicts a viroid floating in a colorful and mysterious expanse, symbolizing the enigmatic nature of these tiny particles.