Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The branch of applied physics that deals with astronomical phenomena.

from The Century Dictionary.

  • noun Astronomical physics.
  • noun Astronomical physics.

from the GNU version of the Collaborative International Dictionary of English.

  • noun the concerned with the physical and chemical properties of celestial bodies.
  • noun (Astron.) The science treating of the physical characteristics of the stars and other heavenly bodies, their chemical constitution, light, heat, atmospheres, etc. It is a branch of astronomy.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

astro- +‎ physics

Examples

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