as·​tro·​phys·​ics | \ ˌas-trə-ˈfi-ziks How to pronounce astrophysics (audio) \

Definition of astrophysics

: a branch of astronomy dealing especially with the behavior, physical properties, and dynamic processes of celestial objects and phenomena

Other Words from astrophysics

astrophysical \ -​zi-​kəl How to pronounce astrophysical (audio) \ adjective
astrophysically \ -​zi-​k(ə-​)lē How to pronounce astrophysically (audio) \ adverb
astrophysicist \ -​ˈfi-​zə-​sist How to pronounce astrophysicist (audio) , -​ˈfiz-​sist \ noun

First Known Use of astrophysics

1870, in the meaning defined above

History and Etymology for astrophysics

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The first known use of astrophysics was in 1870

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English Language Learners Definition of astrophysics

: the scientific study of the physical and chemical properties and structures of stars, planets, and other objects in outer space

Comments on astrophysics

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recurring in steady succession

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