English Lexicon

Radioastronomy

/ˌreɪ.di.oʊ.əˈstrɒn.ə.mi/
nounCEFR C1 (Advanced)Top #45000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The branch of astronomy that studies celestial bodies and phenomena by measuring the radio waves they emit.

    "Radioastronomy has allowed scientists to map the distribution of neutral hydrogen gas throughout our galaxy."
  2. 2

    The scientific techniques and instrumentation used to detect and analyze radio frequency emissions from outer space.

    "Recent advancements in interferometry have greatly improved the angular resolution achieved in radioastronomy."

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Linguistic Origin & Historical Etymology

Coined in the mid-20th century, the term combines the combining form 'radio-' (referring to radio waves, derived from Latin 'radius' meaning ray or spoke) and 'astronomy' (from Greek 'astronomia', combining 'aster' meaning star and 'nomos' meaning law or rule). It emerged alongside the development of radar and radio technology following World War II, establishing a new branch of observational astronomy.

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10 Global Lexicons: How "Radioastronomy" is said worldwide

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🇫🇷French → English

radioastronomie

Transliteration: ʁa.djɔ.as.tʁɔ.nɔ.mi

"La radioastronomie joue un rôle crucial dans la découverte des pulsars."

🇩🇪German → English

Radioastronomie

Transliteration: ˈʁaːdioʔastʁonoˌmiː

"Die Radioastronomie erforscht das Universum mithilfe von Radiowellen."

🇮🇹Italian → English

radioastronomia

Transliteration: ra.djo.as.tro.noˈmi.a

"La radioastronomia ha aperto nuove finestre sull'universo invisibile."

🇪🇸Spanish → English

radioastronomía

Transliteration: ra.ðjo.as.tɾo.noˈmi.a

"La radioastronomía utiliza grandes antenas parabólicas para captar señales cósmicas."

🇵🇹Portuguese → English

radioastronomia

Transliteration: ʁa.di.w.as.tɾo.noˈmi.ɐ

"A radioastronomia permite estudar o cosmos além da luz visível."

🇮🇳Hindi → English

रेडियो खगोल विज्ञान

Transliteration: rediyo khagol vigyan

"रेडियो खगोल विज्ञान अंतरिक्ष से आने वाली रेडियो तरंगों का अध्ययन करता है।"

🇨🇳Chinese → English

射电天文学

Transliteration: shè diàn tiān wén xué

"射电天文学是现代天文学的重要分支。"

🇰🇷Korean → English

전파천문학

Transliteration: jeonpa cheonmunhak

"전파천문학은 전파 망원경을 사용하여 우주를 관측합니다."

🇯🇵Japanese → English

電波天文学

Transliteration: denpa tenmongaku

"電波天文学は宇宙からの微弱な電波を検出して研究します。"

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