Standard Lemma guide

astrobiology

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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1

noun

Meaning 1

The study of life anywhere in the universe, including Earth.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Qualifier: life sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: life science, natural science, science

2

noun

Meaning 2

the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: exobiology, space biology

Antonyms: none provided

Broader terms: biology, biological science

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 *gweyh3-der. Ancient Greek βίος (bíos) Proto-Indo-European *leǵ- Ancient Greek λόγος (lógos) Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-i-eh2 Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor. Latin -logia New Latin biologialbor. English biology English astrobiology From astro- + biology.

Across languages

Translations

22 source translations are retained for this English entry.

  • Bulgarian: астробиоло́гия (astrobiológija) — astrobiology
  • Catalan: astrobiologia — astrobiology
  • Chinese Mandarin: 太空生物學 /太空生物学 (tàikōng shēngwùxué) — astrobiology
  • Finnish: astrobiologia — astrobiology
  • French: astrobiologie — astrobiology
  • Galician: astrobioloxía — astrobiology
  • Georgian: ასტრობიოლოგია (asṭrobiologia) — astrobiology
  • German: Astrobiologie — astrobiology
  • Hungarian: asztrobiológia — astrobiology
  • Irish: réalt-bhitheolaíocht — astrobiology
  • Italian: astrobiologia — astrobiology
  • Khmer: តារាជីវសាស្ត្រ (taaraa chiivoa saah) — astrobiology
  • Persian: اخترزیستشناسی (axtarzist-šenâsi) — astrobiology
  • Polish: astrobiologia — astrobiology
  • Polish: egzobiologia — astrobiology
  • Portuguese: astrobiologia — astrobiology
  • Romanian: astrobiologie — astrobiology
  • Russian: астробиоло́гия (astrobiológija) — astrobiology
  • Serbo-Croatian: astrobiologija — astrobiology
  • Serbo-Croatian: астробиологија — astrobiology
  • Turkish: astrobiyoloji — astrobiology
  • Vietnamese: sinh học vũ trụ — astrobiology