Outrageously Funny Word Dictionary :: Subumbral

👉 The term "subumbral" is a term used in cosmology and astrophysics to describe a region of space where gravitational forces are weak or absent, allowing for the possibility of the formation of dark matter. In this context, "subumbral" refers to the region of space between the visible universe and its dark matter-dominated portion, which can be seen as being slightly denser than the visible universe but still in a state of subatomic motion due to gravitational effects. The term was

subumbral