Boson Star Definition

noun

A theoretical type of heavenly body composed of a form of boson that is self-repelling, what should be highly dense and bend spacetime in a manner approaching that of a black hole .

Wiktionary

Origin of Boson Star

boson +‎ star (“celestial body")BOSON STAR . From being an astronomical object composed of mostly bosons, not a star or stellar remnant in the usual sense.

From Wiktionary