noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˌæs.tɹoʊˈfɪz.ɪks/
/ˌæs.tɹəˈfɪz.ɪks/
Southern-England:Recorded audio is listed in the source snapshot.
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:AE2 S T R OW0 F IH1 Z IH0 K S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The 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.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
the branch of astronomy concerned with the physical and chemical properties of celestial bodies
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: astronomy, uranology
Narrower terms: cosmology, cosmogony, cosmogeny
History
Etymology
Etymology tree Proto-Indo-European *h2eHs- Proto-Indo-European *-tḗr Proto-Indo-European *h2stḗr Proto-Hellenic *astḗr Ancient Greek ἀστήρ (astḗr) Ancient Greek ᾰ̓́στρον (ắstron)der. English astro- Proto-Indo-European *bhuH- Proto-Indo-European *-yéti Proto-Indo-European *bhuHyéti Ancient Greek φῠ́ω (phŭ́ō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σῐς (-sĭs) Ancient Greek φύσις (phúsis) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek φυσικός (phusikós)der. Latin physicusder. Middle English phisik English physic English physics English astrophysics From astro- + physics.
Across languages
Translations
57 source translations are retained for this English entry.
Albanian:
astrofizikë
— interdisciplinary branch of astronomy and physics
Arabic:
فِزِيَاء الفَلَكِيَّة
(fiziyāʔ al-falakiyya)
— interdisciplinary branch of astronomy and physics
Armenian:
աստղաֆիզիկա
(astġafizika)
— interdisciplinary branch of astronomy and physics
Asturian:
astrofísica
— interdisciplinary branch of astronomy and physics
Azerbaijani:
astrofizika
— interdisciplinary branch of astronomy and physics
Basque:
astrofisika
— interdisciplinary branch of astronomy and physics
Burmese:
ရူပနက္ခတ္တဗေဒ
(rupa.nakhkatta.beda.)
— interdisciplinary branch of astronomy and physics
Catalan:
astrofísica
— interdisciplinary branch of astronomy and physics
Chinese Mandarin:
天體物理學 /天体物理学
(tiāntǐ wùlǐxué)
— interdisciplinary branch of astronomy and physics
Chinese Mandarin:
天體物理 /天体物理
(tiāntǐ wùlǐ)
— interdisciplinary branch of astronomy and physics
Czech:
astrofyzika
— interdisciplinary branch of astronomy and physics
Danish:
astrofysik
— interdisciplinary branch of astronomy and physics
Dutch:
astrofysica
— interdisciplinary branch of astronomy and physics
Esperanto:
astrofiziko
— interdisciplinary branch of astronomy and physics
Estonian:
astrofüüsika
— interdisciplinary branch of astronomy and physics
Faroese:
stjørnualisfrøði
— interdisciplinary branch of astronomy and physics
Finnish:
astrofysiikka
— interdisciplinary branch of astronomy and physics
French:
astrophysique
— interdisciplinary branch of astronomy and physics
Galician:
astrofísica
— interdisciplinary branch of astronomy and physics
Georgian:
ასტროფიზიკა
(asṭropiziḳa)
— interdisciplinary branch of astronomy and physics
German:
Astrophysik
— interdisciplinary branch of astronomy and physics
Greek:
αστροφυσική
(astrofysikí)
— interdisciplinary branch of astronomy and physics
Hebrew:
אַסְטְרוֹפִיזִיקָה
(astrofiziqa)
— interdisciplinary branch of astronomy and physics
Hindi:
खगोलभौतिकी
(khagolbhautikī)
— interdisciplinary branch of astronomy and physics
Hungarian:
asztrofizika
— interdisciplinary branch of astronomy and physics
Icelandic:
stjarneðlisfræði
— interdisciplinary branch of astronomy and physics
Ido:
astrofiziko
— interdisciplinary branch of astronomy and physics
Indonesian:
astrofisika
— interdisciplinary branch of astronomy and physics
Irish:
réaltfhisic
— interdisciplinary branch of astronomy and physics
Italian:
astrofisica
— interdisciplinary branch of astronomy and physics
Japanese:
天体物理学
(tentai butsurigaku)
— interdisciplinary branch of astronomy and physics
Kannada:
ಖಭೌತ ಶಾಸ್ತ್ರ
(khabhauta śāstra)
— interdisciplinary branch of astronomy and physics
Korean:
천체물리학
(cheonchemullihak)
— interdisciplinary branch of astronomy and physics
Latin:
astrophysica
— interdisciplinary branch of astronomy and physics
Latvian:
astrofizika
— interdisciplinary branch of astronomy and physics
Lithuanian:
astrofizika
— interdisciplinary branch of astronomy and physics
Malay:
astrofizik
— interdisciplinary branch of astronomy and physics
Norwegian Bokmål:
astrofysikk
— interdisciplinary branch of astronomy and physics
Norwegian Nynorsk:
astrofysikk
— interdisciplinary branch of astronomy and physics
Persian:
فیزیک نجومی
— interdisciplinary branch of astronomy and physics
Persian:
اخترفیزیک
— interdisciplinary branch of astronomy and physics
Polish:
astrofizyka
— interdisciplinary branch of astronomy and physics
Portuguese:
astrofísica
— interdisciplinary branch of astronomy and physics
Romanian:
astrofizică
— interdisciplinary branch of astronomy and physics
Russian:
астрофи́зика
(astrofízika)
— interdisciplinary branch of astronomy and physics
Serbo-Croatian:
астрофизика
— interdisciplinary branch of astronomy and physics
Serbo-Croatian:
astrofizika
— interdisciplinary branch of astronomy and physics
Sicilian:
astrufìsica
— interdisciplinary branch of astronomy and physics
Sicilian:
astrofìsica
— interdisciplinary branch of astronomy and physics
Slovak:
astrofyzika
— interdisciplinary branch of astronomy and physics
Slovene:
astrofizika
— interdisciplinary branch of astronomy and physics
Spanish:
astrofísica
— interdisciplinary branch of astronomy and physics
Swedish:
astrofysik
— interdisciplinary branch of astronomy and physics
Tagalog:
astropisika
— interdisciplinary branch of astronomy and physics
Thai:
ฟิสิกส์ดาราศาสตร์
(físìk daaraasàat)
— interdisciplinary branch of astronomy and physics
Turkish:
astrofizik
— interdisciplinary branch of astronomy and physics
Vietnamese:
vật lý thiên văn
— interdisciplinary branch of astronomy and physics
