Meanings
nounastrophysics (uncountable)
- uncountableThe branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.
The fact is, dark energy is the biggest mystery in science. It has driven a huge amount of research in the past decade, and was a key driver in last year’s “New Worlds, New Horizons” report from the National Academies of Science, which prioritized future astronomy and astrophysics projects.
2011 October 9, Meg Urry, “Dark energy, science’s biggest mystery”, in CNN
Origin
- Proto-Indo-European*h₂eHs-
- Proto-Indo-European*h₂stḗr
- Proto-Hellenic*astḗr
- Ancient Greekἀστήρ (astḗr)
- Ancient Greekᾰ̓́στρον (ắstron)
- Englishastro-
- Proto-Indo-European*bʰuH-
- Proto-Indo-European*bʰuHyéti
- Ancient Greekφῠ́ω (phŭ́ō)
- Ancient Greekφύσις (phúsis)
- Ancient Greekφυσικός (phusikós)
- Latinphysicus
- Middle Englishphisik
- Englishphysic
- Englishphysics
- Englishastrophysics
Translations
Arabic فِزِيَاء الفَلَكِيَّة
- فِزِيَاء الفَلَكِيَّة (fiziyāʔ al-falakiyya)interdisciplinary branch of astronomy and physics
Basque astrofisika
- astrofisikainterdisciplinary branch of astronomy and physics
Catalan astrofísica
- astrofísicainterdisciplinary branch of astronomy and physics
Chinese Mandarin 天體物理學 /天体物理学, 天體物理 /天体物理
- 天體物理學 /天体物理学 (tiāntǐ wùlǐxué)interdisciplinary branch of astronomy and physics
- 天體物理 /天体物理 (tiāntǐ wùlǐ)interdisciplinary branch of astronomy and physics
Czech astrofyzika
- astrofyzikainterdisciplinary branch of astronomy and physics
Danish astrofysik
- astrofysikinterdisciplinary branch of astronomy and physics
Dutch astrofysica
- astrofysicainterdisciplinary branch of astronomy and physics
Esperanto astrofiziko
- astrofizikointerdisciplinary branch of astronomy and physics
Estonian astrofüüsika
- astrofüüsikainterdisciplinary branch of astronomy and physics
Finnish astrofysiikka
- astrofysiikkainterdisciplinary branch of astronomy and physics
French astrophysique
- astrophysiqueinterdisciplinary branch of astronomy and physics
German Astrophysik
- Astrophysikinterdisciplinary branch of astronomy and physics
Greek αστροφυσική
- αστροφυσική (astrofysikí)interdisciplinary branch of astronomy and physics
Hebrew אַסְטְרוֹפִיזִיקָה
- אַסְטְרוֹפִיזִיקָה (astrofiziqa)interdisciplinary branch of astronomy and physics
Hindi खगोलभौतिकी
- खगोलभौतिकी (khagolbhautikī)interdisciplinary branch of astronomy and physics
Hungarian asztrofizika
- asztrofizikainterdisciplinary branch of astronomy and physics
Icelandic stjarneðlisfræði
- stjarneðlisfræðiinterdisciplinary branch of astronomy and physics
Indonesian astrofisika
- astrofisikainterdisciplinary branch of astronomy and physics
Irish réaltfhisic
- réaltfhisicinterdisciplinary branch of astronomy and physics
Italian astrofisica
- astrofisicainterdisciplinary branch of astronomy and physics
Japanese 天体物理学
- 天体物理学 (tentai butsurigaku)interdisciplinary branch of astronomy and physics
Korean 천체물리학
- 천체물리학 (cheonchemullihak)interdisciplinary branch of astronomy and physics
Latin astrophysica
- astrophysicainterdisciplinary branch of astronomy and physics
Latvian astrofizika
- astrofizikainterdisciplinary branch of astronomy and physics
Lithuanian astrofizika
- astrofizikainterdisciplinary branch of astronomy and physics
Malay astrofizik
- astrofizikinterdisciplinary branch of astronomy and physics
Norwegian Bokmål astrofysikk
- astrofysikkinterdisciplinary branch of astronomy and physics
Persian فیزیک نجومی, اخترفیزیک
- فیزیک نجومیinterdisciplinary branch of astronomy and physics
- اخترفیزیکinterdisciplinary branch of astronomy and physics
Polish astrofizyka
- astrofizykainterdisciplinary branch of astronomy and physics
Portuguese astrofísica
- astrofísicainterdisciplinary branch of astronomy and physics
Romanian astrofizică
- astrofizicăinterdisciplinary branch of astronomy and physics
Russian астрофи́зика
- астрофи́зика (astrofízika)interdisciplinary branch of astronomy and physics
Slovak astrofyzika
- astrofyzikainterdisciplinary branch of astronomy and physics
Spanish astrofísica
- astrofísicainterdisciplinary branch of astronomy and physics
Swedish astrofysik
- astrofysikinterdisciplinary branch of astronomy and physics
Tagalog astropisika
- astropisikainterdisciplinary branch of astronomy and physics
Thai ฟิสิกส์ดาราศาสตร์
- ฟิสิกส์ดาราศาสตร์ (físìk daaraasàat)interdisciplinary branch of astronomy and physics
Turkish astrofizik
- astrofizikinterdisciplinary branch of astronomy and physics
Vietnamese vật lý thiên văn
- vật lý thiên văninterdisciplinary branch of astronomy and physics
Cite this entry
APA
astrophysics. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/astrophysics
MLA
“astrophysics.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/astrophysics. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “astrophysics,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/astrophysics.
Source: astrophysics on Wiktionary, CC BY-SA 4.0.