xanthangumi
Xanthangumi is a term used in speculative fiction and worldbuilding to describe a yellow-colored collective entity, which may be an organism, a swarm, or a social faction. Because it appears across multiple works, there is no single canonical definition; writers use the term to evoke ideas of coordinated action, pigment-based biology, or group identity.
The name combines a root suggesting the color yellow (from xanth-) with a suffix implying a group
In fiction where xanthangumi are biological, they are often depicted as colony-forming or symbiotic systems that
Xanthangumi serves as a versatile worldbuilding element, adaptable to science fiction and fantasy settings. Its openness