Definition of cosmology
cosmologies
1a : a branch of metaphysics that deals with the nature of the universeb : a theory or doctrine describing the natural order of the universe
2 : a branch of astronomy that deals with the origin, structure, and space-time relationships of the universe; also : a theory dealing with these matters
From the M-W Editors
Recent Examples of cosmology from the Web
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The satellite, which single-handedly helped establish the standard model of cosmology, took its last look at the cosmos Aug. 20, and settled into a final parking orbit around the sun Sept. 8.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cosmology'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Did You Know?
Most religions and cultures include some kind of cosmology to explain the nature of the universe. In modern astronomy, the leading cosmology is still the Big Bang theory, which claims that the universe began with a huge explosion that sent matter and energy spreading out in all directions. One reason why fans watch Star Trek is for the various cosmologies depicted in the show, including different conceptions of space, time, and the meaning of life.
Origin and Etymology of cosmology
New Latin cosmologia, from Greek kosmos —see cosmic + New Latin -logia -logy
Other Philosophy Terms
COSMOLOGY Defined for English Language Learners
cosmology
playDefinition of cosmology for English Language Learners
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: the scientific study of the origin and structure of the universe
Learn More about cosmology
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Nglish: Translation of cosmology for Spanish speakers Britannica English: Translation of cosmology for Arabic speakers Britannica.com: Encyclopedia article about cosmology
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