'Cosmologist' definitions:

Definition of 'cosmologist'

(from WordNet)
noun
An astronomer who studies the evolution and space-time relations of the universe

Definition of 'Cosmologist'

From: GCIDE
  • Cosmologist \Cos*mol"o*gist\ (k?z-m?l"?-j?st), n. One who describes the universe; one skilled in cosmology. [1913 Webster]