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astrophysics

ast·rop·hy·sics

UK/ˌæs.tɹoʊˈfɪz.ɪks/ US/ˌæs.tɹəˈfɪz.ɪks/ rare

noun

1.

the branch of astronomy concerned with the physical and chemical properties of celestial bodies

Origin

From astro- + physics.

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.