From Longman Dictionary of Contemporary Englishastrophysicsas‧tro‧phys‧ics /ˌæstrəʊˈfɪzɪks $ ˌæstrə-, -troʊ-/ noun [uncountable] HPthe scientific study of the chemical structure of the stars and the forces that influence them —astrophysicist /-ˈfɪzɪsɪst/ noun [countable]
Examples from the Corpus
astrophysics• Clearly infrared observations are set to make a large impact on astronomy and astrophysics during the next few years.• Astronomy and Astrophysics Modern astrophysics studies the formation, structure and evolution of stars and galaxies and of the Universe itself.• This module was designed for astrophysics research.• I was drawn to the women on the faculty, especially in astrophysics.• He eventually graduated as a bachelor of astrophysics at London University.• This is accomplished by metaphorically fitting the discourse of astrophysics on to that of psychology. 