umbrarelated
Umbra-related is an adjective used to describe topics, phenomena, or objects that pertain to the umbra, the shadow created by an opaque body. The term derives from Latin umbra, meaning shadow, and is used in scientific and scholarly writing to signal a focus on the fully shaded region of a shadow or on concepts derived from it.
In astronomy and optics, the umbra is the darkest component of a shadow. In a solar eclipse,
Beyond strict science, umb ra-related appears in art and literature as a metaphor for concealment or obscurity,
As a neologism, umb ra-related is not standardized across disciplines and is most often used in context-specific