Definitions

1. noun

A telescope or other optical instrument designed to study the universe, especially the stars and galaxies.

“Using the cosmoscope, astronomers were able to observe a distant black hole for the first time.”

2. noun

A person who studies the universe, especially the stars and galaxies, using a cosmoscope or other optical instrument.

“As a renowned cosmoscope, Dr. Lee has made groundbreaking discoveries in the field of astrophysics.”