Dictionary Entry

flatness

noun

Find the meaning of the word flatness, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

Meaning

Dictionary meaning in a clear, student-friendly format.

the observed geometric property of the universe, in which parallel lines do not converge or diverge at cosmological scales

Example Sentence

Astronomers test cosmic flatness by measuring how light from distant galaxies travels across billions of light-years.

Usage Note

Use this term in physics or astronomy essays when discussing the large-scale shape and geometry of the universe.

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Antonyms