obseid
Obseid is a term that sometimes appears in discussions related to speculative biology or fictional world-building, particularly concerning extraterrestrial life forms. It is not a recognized scientific term and has no basis in current biological or geological understanding. The term often refers to hypothetical beings or organisms that are thought to be composed of or intimately associated with obsidian, a naturally occurring volcanic glass.
In fictional contexts, obseid creatures might be described as having physical forms resembling obsidian, perhaps with
The concept of obseid life often serves as a creative prompt to explore non-carbon-based life forms and