English dictionary
astrophysics
/,/&/str/oU/'f/I/z/I/ks/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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the branch of astronomy concerned with the physical and chemical properties of celestial bodies
Source: WordNet 3.0
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The science treating of the physical characteristics of the stars and other heavenly bodies, their chemical constitution, light, heat, atmospheres, etc.
Source: webster1913