Definitions

1. adjective

relating to or concerned with the origin, evolution, and structure of the universe.

“The cosmological model suggests that the universe began with a massive explosion.”

2. noun

the branch of astrophysics dealing with the origin and evolution of the universe.

“Cosmological research is a rapidly advancing field.”

3. noun

a theory or system of cosmology.

“The cosmological theory proposed a multiverse scenario.”