âFor astrophysicists, dark matter has proved to be an elusive and mysterious substance.â âThe 60-year-old is a NASA astrophysicist who has contributed to numerous space exploration missions.â âHe excelled at every subject and could easily have become an astrophysicist.â Meaning of astrophysicist. They may want to consult an astrophysicist as well as a plastic surgeon. astro-+â physicist. Among the subjects studied are the Sun, other stars, galaxies, extrasolar planets, the interstellar medium and the cosmic microwave background. See more. Definition of astrophysics written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. What does astrophysicist mean? Information and translations of astrophysicist in the most comprehensive dictionary definitions resource on the web. Astrophysics definition, the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the interior of celestial bodies and in interstellar space. Search astrophysics and thousands of other words in English definition and synonym dictionary from Reverso. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. Information about astrophysicist in the AudioEnglish.org dictionary, ⦠Astrophysics is a science that employs the methods and principles of physics in the study of astronomical objects and phenomena. English Etymology . Definition of astrophysicist in the AudioEnglish.org Dictionary. one who studies astrophysics. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Ideas 53:59 Finding meaning in the universe with astrophysicist Hubert Reeves, Part 1 ** Originally published on May 21, 2019. Meaning of astrophysicist. astrophysicist (plural astrophysicists) One who studies astrophysics. Astrophysicists engage in theoretical physics studies in an attempt to learn more about the underlying properties of the cosmos. Translations . An astrophysicist is a scientist who researches the principles of light, motion, and natural forces as they pertain to the universe at large. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word astrophysicist. Definition of astrophysicist in the Definitions.net dictionary. Astrophysics definition is - a branch of astronomy dealing especially with the behavior, physical properties, and dynamic processes of celestial objects and phenomena. Noun . Definition of astrophysicist noun in Oxford Advanced Learner's Dictionary.