astrophysics

• POS: Noun
• HYPHEN: as=tro=phys=ics

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.

THESAURUS

astrophysics

Newtonian physics, acoustics, aerophysics, applied physics, astrogeology, astrognosy, astrography, astrolithology, astronomy, astrophotography, basic conductor physics, biophysics, celestial mechanics, chemical physics, cryogenics, crystallography, cytophysics, electron physics, electronics, electrophysics, geophysics, gravitational astronomy, macrophysics, mathematical physics, mechanics, medicophysics, meteoritics, microphysics, natural philosophy, natural science, nuclear physics, optics, philosophy, physic, physical chemistry, physical science, physicochemistry, physicomathematics, physics, psychophysics, radar astronomy, radiation physics, radio astronomy, radionics, solar physics, solid-state physics, spectrography, spectroscopy, stargazing, statics, stellar photometry, stereophysics, theoretical physics, thermodynamics, uranography, uranology, uranometry, zoophysics