astrophysics definitions WordNet (r) 3.0 (2005) n 1: the branch ... bodies. Derivatives: astrophysical adj. astrophysicist n. Webster's 1913 Dictionary Astrophysics As`tro*phys"ics, n. [Astro- + physics.] (Astron.) The science ... usually in connection with the telescope. Collin's Cobuild Dictionary Astrophysics is the study of the physical and chemical structure of ...
... physical properties of celestial bodies Merriam Webster's noun see astrophysics Collin's Cobuild Dictionary (astrophysicists) An astrophysicist is someone who studies astrophysics. N-COUNT