cosmos
n. uncountable B2 Upper Intermediate US //ˈkɑzmoʊs// UK //kˈɒzmɒs// cos·mos
n. the universe seen as a large, well-ordered system. It refers to everything that exists, from stars to atoms.
n. the universe regarded as a vast, orderly whole. Often used in philosophical or scientific contexts to emphasize structure and harmony rather than just physical space.
The cosmos contains billions of galaxies.
Astronomers study the cosmos to understand how the universe began and how it will end.
Ancient philosophers viewed the cosmos as a harmonious order, a concept that modern physics still echoes in its search for unified laws.