| 1. | the branch of philosophy dealing with the origin and general structure of the universe, with its parts, elements, and laws, and esp. with such of its characteristics as space, time, causality, and freedom. |
| 2. | the branch of astronomy that deals with the general structure and evolution of the universe. |
The branch of science dealing with the large-scale structure, origins, and development of the universe. (See astronomy and Big Bang theory.)
cosmology (kŏz-mŏl'ə-jē) Pronunciation Key
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