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English word
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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun astrophysics has 1 sense
- astrophysics(n = noun.cognition) - the branch of astronomy concerned with the physical and chemical properties of celestial bodies; is a kind of astronomy, uranology
has particulars: cosmogeny, cosmogony, cosmology
Derived forms adjective astrophysical1, noun astrophysicist1
CIDE DICTIONARY
astrophysics, n.
the concerned with the physical and chemical properties of celestial bodies. [WordNet 1.5]
astrophysics, n. [Astro- + physics.].
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. [1913 Webster]
" Its observations were traditionally made with the spectroscope, bolometer, etc., usually in connection with the telescope. In modern times, radiotelescopes, infrared telescopes, X-ray and gamma ray detectors and neutrino detection equipment located deep underground are all put into service to observe and test theories about astronomical phenomena."
[Webster 1913 Suppl.]
OXFORD DICTIONARY
astrophysics, n. a branch of astronomy concerned with the physics and chemistry of celestial bodies.
Derivative
astrophysical adj. astrophysicist n.