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Definitions

cosmology

[koz-mol-uh-jee] / kɒzˈmɒl ə dʒi /
NOUN
theory of the universe
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This observation became a cornerstone of modern cosmology because it provided key evidence that the universe is expanding and that it began with the Big Bang.

From Science Daily • Mar. 6, 2026

This mismatch is known as the Hubble tension, and it stands as one of the most important unresolved problems in modern cosmology.

From Science Daily • Mar. 1, 2026

“There’s that side of me that really gets excited about looking at those objects, then creating my own sort of cosmology, my own artifacts, if you will,” she said.

From Los Angeles Times • Dec. 30, 2025

"If dark energy is not constant and it's getting weakened, this will change the whole paradigm of modern cosmology."

From BBC • Dec. 27, 2025

Plato, who believed that “all things are full of gods,” actually used the metaphor of slavery to connect his politics with his cosmology.

From "Cosmos" by Carl Sagan




Vocabulary lists containing cosmology