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Definition of cosmology

cosmology

/kɑːzˈmɑː.lə.dʒi/
cos · mol · o · gy
Adverb:cosmologically
•
Plural:cosmologies
•
Adjective:cosmological
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cosmology Lexical Profile

cosmology Game Scores & Validity

• noun

1

The branch of astronomy and astrophysics that deals with the origin, structure, evolution, and eventual fate of the universe.

Example

"Advances in modern cosmology have allowed scientists to measure the background radiation left over from the Big Bang."

2

A particular philosophical, religious, or cultural account or theory of the origin and nature of the universe.

Example

"Ancient Mayan cosmology viewed the universe as a series of layered realms connected by a sacred world tree."

Synonyms
View all synonyms for cosmology

Word Nuance & Usage

Do not confuse 'cosmology' (the scientific study of the origin and evolution of the universe) with 'cosmetology' (the professional study and application of beauty treatments).

• Rhymes for cosmology

• Nearby Words

cosmically
cosmo
cosmologist
cosmology
cosmonaut
cosmopolitan
cosmos

Word Origin & Etymology

Coined in the mid-17th century in Modern Latin as 'cosmologia', combining the Ancient Greek 'kosmos' (meaning 'order' or 'world') with '-logia' (meaning 'study' or 'discourse').

Cite this Entry

Wordmom. (2026). Definition of Cosmology. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/cosmology
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