noun · 3 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American:/əˈstɹɑn.ə.mi/
General-American:/æsˈtɹɑn.ə.mi/
US:Recorded audio is listed in the source snapshot.
South-Asia:/asʈro.nɔmi/
South-Asia:/əsˈʈrɔnəmi/
rhymes with -ɒnəmi
CMU ARPABET:AH0 S T R AA1 N AH0 M IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Astrology.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
the branch of physics that studies celestial bodies and the universe as a whole
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: uranology
Antonyms: none provided
Broader terms: physics, natural philosophy
Narrower terms: astrodynamics, astrometry, radio astronomy, celestial mechanics, astrophysics, selenology, solar physics
History
Etymology
From Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- + -nomy. Displaced native Old English tungolcræft.
Across languages
Translations
165 source translations are retained for this English entry.
Afrikaans:
sterrekunde
— study of the physical universe beyond the Earth's atmosphere
Albanian:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Amharic:
ሥነ ፈለክ
(śənä fäläk)
— study of the physical universe beyond the Earth's atmosphere
Arabic:
فَلَك
(falak)
— study of the physical universe beyond the Earth's atmosphere
Arabic:
عِلْم الْفَلَك
(ʕilm al-falak)
— study of the physical universe beyond the Earth's atmosphere
Assyrian Neo-Aramaic:
ܡܡܲܠܠܘܼܬ ܟܵܘܟ݂ܒ݂ܹ̈ܐ
(mmallūt kāwḵḇē)
— study of the physical universe beyond the Earth's atmosphere
Assyrian Neo-Aramaic:
ܐܲܣܛܪܘܿܢܘܿܡܝܼܵܐ
(asṭrōnōmīyā)
— study of the physical universe beyond the Earth's atmosphere
Armenian:
աստղագիտություն
(astġagitutʻyun)
— study of the physical universe beyond the Earth's atmosphere
Aromanian:
astrunumii
— study of the physical universe beyond the Earth's atmosphere
Asturian:
astronomía
— study of the physical universe beyond the Earth's atmosphere
Aymara:
alaxpacha yänakata
— study of the physical universe beyond the Earth's atmosphere
Azerbaijani:
astronomiya
— study of the physical universe beyond the Earth's atmosphere
Basque:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Belarusian:
астрано́мія
(astranómija)
— study of the physical universe beyond the Earth's atmosphere
Bengali:
জ্যোতির্বিজ্ঞান
(jōtirbiggên)
— study of the physical universe beyond the Earth's atmosphere
Bengali:
জ্যোতির্বিদ্যা
(jōtirbidda)
— study of the physical universe beyond the Earth's atmosphere
Breton:
steredoniezh
— study of the physical universe beyond the Earth's atmosphere
Bulgarian:
астроно́мия
(astronómija)
— study of the physical universe beyond the Earth's atmosphere
Burmese:
နက္ခတ္တဗေဒ
(nakhkatta.beda.)
— study of the physical universe beyond the Earth's atmosphere
Catalan:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Chinese Cantonese:
天文學 /天文学
— study of the physical universe beyond the Earth's atmosphere
Chinese:
天文學 /天文学
(thian-bûn-ha̍k)
— study of the physical universe beyond the Earth's atmosphere
Chinese Mandarin:
天文學 /天文学
(tiānwénxué)
— study of the physical universe beyond the Earth's atmosphere
Chinook Jargon:
tsiltsil-kəmtəks
— study of the physical universe beyond the Earth's atmosphere
Cornish:
steronieth
— study of the physical universe beyond the Earth's atmosphere
Czech:
hvězdářství
— study of the physical universe beyond the Earth's atmosphere
Czech:
astronomie
— study of the physical universe beyond the Earth's atmosphere
Danish:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Dinka:
ŋiɛ̈ckanhial
— study of the physical universe beyond the Earth's atmosphere
Dutch:
astronomie
— study of the physical universe beyond the Earth's atmosphere
Dutch:
sterrenkunde
— study of the physical universe beyond the Earth's atmosphere
Esperanto:
astronomio
— study of the physical universe beyond the Earth's atmosphere
Estonian:
astronoomia
— study of the physical universe beyond the Earth's atmosphere
Estonian:
täheteadus
— study of the physical universe beyond the Earth's atmosphere
Faroese:
stjørnufrøði
— study of the physical universe beyond the Earth's atmosphere
Finnish:
tähtitiede
— study of the physical universe beyond the Earth's atmosphere
Finnish:
astronomia
— study of the physical universe beyond the Earth's atmosphere
French:
astronomie
— study of the physical universe beyond the Earth's atmosphere
West-Frisian:
stjerrekunde
— study of the physical universe beyond the Earth's atmosphere
Galician:
astronomía
— study of the physical universe beyond the Earth's atmosphere
Georgian:
ასტრონომია
(asṭronomia)
— study of the physical universe beyond the Earth's atmosphere
German:
Astronomie
— study of the physical universe beyond the Earth's atmosphere
German:
Sternkunde
— study of the physical universe beyond the Earth's atmosphere
German:
Himmelskunde
— study of the physical universe beyond the Earth's atmosphere
Bavarian German:
Steankunde
— study of the physical universe beyond the Earth's atmosphere
Greek:
αστρονομία
(astronomía)
— study of the physical universe beyond the Earth's atmosphere
Ancient Greek:
ἀστρονομία
(astronomía)
— study of the physical universe beyond the Earth's atmosphere
Gujarati:
ખગોળ
(khagoḷ)
— study of the physical universe beyond the Earth's atmosphere
Gujarati:
ખગોળશાસ્ત્ર
(khagoḷśāstra)
— study of the physical universe beyond the Earth's atmosphere
Haitian Creole:
astwonomi
— study of the physical universe beyond the Earth's atmosphere
Hawaiian:
kilo hōkū
— study of the physical universe beyond the Earth's atmosphere
Hebrew:
אַסְטְרוֹנוֹמְיָה
(astronómya)
— study of the physical universe beyond the Earth's atmosphere
Hindi:
खगोल शास्त्र
(khagol śāstra)
— study of the physical universe beyond the Earth's atmosphere
Hungarian:
csillagászat
— study of the physical universe beyond the Earth's atmosphere
Hungarian:
asztronómia
— study of the physical universe beyond the Earth's atmosphere
Icelandic:
stjörnufræði
— study of the physical universe beyond the Earth's atmosphere
Indonesian:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Indonesian:
ilmu falak
— study of the physical universe beyond the Earth's atmosphere
Indonesian:
ilmu perbintangan
— study of the physical universe beyond the Earth's atmosphere
Interlingua:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Inuktitut:
ᓯᓚᓯᐅᕐᓂᖅ
(silasiorniq)
— study of the physical universe beyond the Earth's atmosphere
Inuktitut:
ᓯᓚᕐᔪᐊᓕᕆᓂᖅ
(silaryoaliriniq)
— study of the physical universe beyond the Earth's atmosphere
Irish:
réalteolaíocht
— study of the physical universe beyond the Earth's atmosphere
Italian:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Japanese:
天文学
(tenmongaku)
— study of the physical universe beyond the Earth's atmosphere
Javanese:
Astronomi
— study of the physical universe beyond the Earth's atmosphere
Kalmyk:
астроном
(astronom)
— study of the physical universe beyond the Earth's atmosphere
Kannada:
ಖಗೋಳಶಾಸ್ತ್ರ
(khagōḷaśāstra)
— study of the physical universe beyond the Earth's atmosphere
Kazakh:
жұлдызтану
(jūldyztanu)
— study of the physical universe beyond the Earth's atmosphere
Kazakh:
астрономия
(astronomiä)
— study of the physical universe beyond the Earth's atmosphere
Khmer:
តារាសាស្ត្រ
(taaraasaah)
— study of the physical universe beyond the Earth's atmosphere
Khmer:
នក្ខត្តយោគ
(nĕəkkhattayook)
— study of the physical universe beyond the Earth's atmosphere
Korean:
천문학
(cheonmunhak)
— study of the physical universe beyond the Earth's atmosphere
Central Kurdish:
ئەستێرەناسی
(estêrenasî)
— study of the physical universe beyond the Earth's atmosphere
Northern Kurdish:
stêrnasî
— study of the physical universe beyond the Earth's atmosphere
Northern Kurdish:
ezmannasî
— study of the physical universe beyond the Earth's atmosphere
Northern Kurdish:
stêrnasî
— study of the physical universe beyond the Earth's atmosphere
Kyrgyz:
астрономия
(astronomiya)
— study of the physical universe beyond the Earth's atmosphere
Lak:
ціурттал элму
— study of the physical universe beyond the Earth's atmosphere
Lao:
ດາລາສາດ
(dā lā sāt)
— study of the physical universe beyond the Earth's atmosphere
Lao:
ດາຣາສາດ
(dā rā sāt)
— study of the physical universe beyond the Earth's atmosphere
Latin:
astrologia
— study of the physical universe beyond the Earth's atmosphere
Latin:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Latvian:
astronomija
— study of the physical universe beyond the Earth's atmosphere
Limburgish:
starekunde
— study of the physical universe beyond the Earth's atmosphere
Lingala:
mambí ma nzɔ́tɔ
— study of the physical universe beyond the Earth's atmosphere
Lithuanian:
astronomija
— study of the physical universe beyond the Earth's atmosphere
Macedonian:
астрономија
(astronomija)
— study of the physical universe beyond the Earth's atmosphere
Malagasy:
astrônômia
— study of the physical universe beyond the Earth's atmosphere
Malay:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Malay:
ilmu falak
— study of the physical universe beyond the Earth's atmosphere
Malay:
kaji bintang
— study of the physical universe beyond the Earth's atmosphere
Malay:
perbintangan
— study of the physical universe beyond the Earth's atmosphere
Malayalam:
ജ്യോതിഃശാസ്ത്രം
(jyōtiḥśāstraṁ)
— study of the physical universe beyond the Earth's atmosphere
Maltese:
astronomija
— study of the physical universe beyond the Earth's atmosphere
Manx:
rollageydys
— study of the physical universe beyond the Earth's atmosphere
Māori:
tātai arorangi
— study of the physical universe beyond the Earth's atmosphere
Māori:
mātai arorangi
— study of the physical universe beyond the Earth's atmosphere
Mongolian:
одон орон
(odon oron)
— study of the physical universe beyond the Earth's atmosphere
Mongolian:
одон орон судлал
(odon oron sudlal)
— study of the physical universe beyond the Earth's atmosphere
Mongolian:
астрономи
(astronomi)
— study of the physical universe beyond the Earth's atmosphere
Mongolian:
ᠣᠳᠤᠨ ᠣᠷᠤᠨ
(odun orun)
— study of the physical universe beyond the Earth's atmosphere
Mongolian:
ᠣᠳᠤᠨ ᠣᠷᠤᠨ ᠰᠤᠳᠤᠯᠤᠯ
(odun orun sudulul)
— study of the physical universe beyond the Earth's atmosphere
Mongolian:
ᠠᠰᠲ᠋ᠷᠣᠨᠣᠮᠢ
(astronomi)
— study of the physical universe beyond the Earth's atmosphere
Navajo:
sǫʼ naalkaah
— study of the physical universe beyond the Earth's atmosphere
Norman:
astronomie
— study of the physical universe beyond the Earth's atmosphere
Norwegian Bokmål:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Norwegian Bokmål:
stjernelære
— study of the physical universe beyond the Earth's atmosphere
Norwegian Nynorsk:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Norwegian Nynorsk:
stjernelære
— study of the physical universe beyond the Earth's atmosphere
Norwegian Nynorsk:
stjernekunne
— study of the physical universe beyond the Earth's atmosphere
Occitan:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Old English:
tungolcræft
— study of the physical universe beyond the Earth's atmosphere
Pashto:
ستورپوهنه
(storpohǝna)
— study of the physical universe beyond the Earth's atmosphere
Pashto:
نجوم
(nojum)
— study of the physical universe beyond the Earth's atmosphere
Pashto:
ستاره شناسي
(setāra šenāsī)
— study of the physical universe beyond the Earth's atmosphere
Persian:
نجوم
(nojum)
— study of the physical universe beyond the Earth's atmosphere
Persian:
ستارهشناسی
(setâre-šenâsi)
— study of the physical universe beyond the Earth's atmosphere
Persian:
اخترشناسی
(axtaršenâsi)
— study of the physical universe beyond the Earth's atmosphere
Persian:
اخترماری
(axtarmāri)
— study of the physical universe beyond the Earth's atmosphere
Polish:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Portuguese:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Romanian:
astronomie
— study of the physical universe beyond the Earth's atmosphere
Romansh:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Russian:
астроно́мия
(astronómija)
— study of the physical universe beyond the Earth's atmosphere
Sanskrit:
खगोलशास्त्रम्
(khagolaśāstram)
— study of the physical universe beyond the Earth's atmosphere
Scottish Gaelic:
reul-eòlas
— study of the physical universe beyond the Earth's atmosphere
Serbo-Croatian:
астроно̀мија
— study of the physical universe beyond the Earth's atmosphere
Serbo-Croatian:
звјездозна́нство
— study of the physical universe beyond the Earth's atmosphere
Serbo-Croatian:
astronòmija
— study of the physical universe beyond the Earth's atmosphere
Serbo-Croatian:
zvjezdoznánstvo
— study of the physical universe beyond the Earth's atmosphere
Sindhi:
نَجمِيات
(najmīāt)
— study of the physical universe beyond the Earth's atmosphere
Sindhi:
نَجمِيات
(najmiyaat)
— study of the physical universe beyond the Earth's atmosphere
Sinhalese:
තාරකා විද්යාව
(tārakā widyāwa)
— study of the physical universe beyond the Earth's atmosphere
Slovak:
hvezdárstvo
— study of the physical universe beyond the Earth's atmosphere
Slovak:
astronómia
— study of the physical universe beyond the Earth's atmosphere
Slovene:
astronomija
— study of the physical universe beyond the Earth's atmosphere
Upper Sorbian:
hwězdarstwo
— study of the physical universe beyond the Earth's atmosphere
Sotho:
bolepi
— study of the physical universe beyond the Earth's atmosphere
Spanish:
astronomía
— study of the physical universe beyond the Earth's atmosphere
Swahili:
falaki
— study of the physical universe beyond the Earth's atmosphere
Swahili:
astronomia
— study of the physical universe beyond the Earth's atmosphere
Swedish:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Tagalog:
astronomiya
— study of the physical universe beyond the Earth's atmosphere
Tagalog:
dalubtalaan
— study of the physical universe beyond the Earth's atmosphere
Tajik:
нуҷум
(nujum)
— study of the physical universe beyond the Earth's atmosphere
Tajik:
ситорашиносӣ
(sitorašinosi)
— study of the physical universe beyond the Earth's atmosphere
Tajik:
ахтаршиносӣ
(axtaršinosi)
— study of the physical universe beyond the Earth's atmosphere
Tamil:
வானியல்
(vāṉiyal)
— study of the physical universe beyond the Earth's atmosphere
Tamil:
வானவியல்
(vāṉaviyal)
— study of the physical universe beyond the Earth's atmosphere
Tatar:
астрономия
(astronomiyä)
— study of the physical universe beyond the Earth's atmosphere
Thai:
ดาราศาสตร์
(daa-raa-sàat)
— study of the physical universe beyond the Earth's atmosphere
Turkish:
gök bilimi
— study of the physical universe beyond the Earth's atmosphere
Turkish:
astronomi
— study of the physical universe beyond the Earth's atmosphere
Turkmen:
astronomiýa
— study of the physical universe beyond the Earth's atmosphere
Ukrainian:
астроно́мія
(astronómija)
— study of the physical universe beyond the Earth's atmosphere
Urdu:
فلکیات
(falkīyāt)
— study of the physical universe beyond the Earth's atmosphere
Urdu:
نجمیات
— study of the physical universe beyond the Earth's atmosphere
Uyghur:
ئاسترونومىيە
(astronomiye)
— study of the physical universe beyond the Earth's atmosphere
Uyghur:
ئاستىرانومىيە
(astiranomiye)
— study of the physical universe beyond the Earth's atmosphere
Uzbek:
astronomiya
— study of the physical universe beyond the Earth's atmosphere
Vietnamese:
thiên văn học
— study of the physical universe beyond the Earth's atmosphere
Volapük:
stelav
— study of the physical universe beyond the Earth's atmosphere
Welsh:
seryddiaeth
— study of the physical universe beyond the Earth's atmosphere
Yiddish:
אַסטראָנאָמיע
(astronomye)
— study of the physical universe beyond the Earth's atmosphere