astrophysics
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.
Origin of astrophysics
1Other words from astrophysics
- as·tro·phys·i·cal, adjective
- as·tro·phys·i·cist [as-troh-fiz-uh-sist], /ˌæs troʊˈfɪz ə sɪst/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use astrophysics in a sentence
If there is actually a war on Christmas, famed astrophysicist Neil deGrasse Tyson seems ready to lead the fight.
Neil deGrasse Tyson Trolls Christians on Christmas | Ben Jacobs | December 25, 2014 | THE DAILY BEASTI admire Neil deGrasse Tyson, the astrophysicist and author of Space Chronicles and Inexplicable Universe.
Vilified Bitcoin Tycoon After Losing $500 Million: My Life Is at Risk | Nathalie-Kyoko Stucky | September 17, 2014 | THE DAILY BEASTThanks to astrophysicist extraordinaire Katherine Mack for helpful discussions in putting this article together.
Laniakea: The Milky Way’s Place in the Heavens | Matthew R. Francis | September 7, 2014 | THE DAILY BEASTDr. Katherine (Katie) Mack is a theoretical astrophysicist at Melbourne University and has written for Slate, Time, and elsewhere.
An astrophysicist with a poetic sensibility, she hooked me in our first interview with her direct manner and determination.
Lynn Sherr: Sally Ride’s Heroic and Trailblazing Life as an Astronaut | Lynn Sherr | July 24, 2012 | THE DAILY BEAST
The astrophysicist continued, at considerable length, to establish the position of Ceti II to his own complete satisfaction.
Eight Keys to Eden | Mark Irvin CliftonIf Mars were incandescent, we should appeal to the astrophysicist for information2 regarding its chemical composition.
Mars and its Mystery | Edward Sylvester MorseChances were there was no astrophysicist nearer than Ganymede.
Rip Foster in Ride the Gray Planet | Harold Leland Goodwin
British Dictionary definitions for astrophysics
/ (ˌæstrəʊˈfɪzɪks) /
(functioning as singular) the branch of physics concerned with the physical and chemical properties, origin, and evolution of the celestial bodies
Derived forms of astrophysics
- astrophysical, adjective
- astrophysicist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for astrophysics
[ ăs′trō-fĭz′ĭks ]
The branch of astronomy that deals with the physical and chemical processes that occur in stars, galaxies, and interstellar space. Astrophysics deals with the structure and evolution of stars, the properties of interstellar space and its interactions with systems of stars, and with the structure and dynamics of clusters of stars such as galaxies.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for astrophysics
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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