Standard Lemma guide

planetology

noun · 1 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 planets, planetary systems and the solar system.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English planet Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- 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 -logialbor. French -logiebor. English -logy English -ology English planetology From planet + -ology.

Across languages

Translations

33 source translations are retained for this English entry.

  • Albanian: planetologjí — the study of planets
  • Albanian: planetologjía — the study of planets
  • Belarusian: планетало́гія (planjetalóhija) — the study of planets
  • Catalan: planetologia — the study of planets
  • Catalan: ciència planetària — the study of planets
  • Catalan: ciències planetàries — the study of planets
  • Chinese Mandarin: 行星科學 /行星科学 (xíngxīng kēxué) — the study of planets
  • Dutch: planetologie — the study of planets
  • Dutch: planeetkunde — the study of planets
  • Finnish: planetologia — the study of planets
  • Finnish: planeettatutkimus — the study of planets
  • French: planétologie — the study of planets
  • Galician: planetoloxía — the study of planets
  • German: Planetologie — the study of planets
  • Hindi: ग्रह विज्ञान (grah vijñān) — the study of planets
  • Hungarian: planetológia — the study of planets
  • Irish: pláinéadeolaíocht — the study of planets
  • Italian: planetologia — the study of planets
  • Japanese: 惑星科学 — the study of planets
  • Norwegian Bokmål: planetologi — the study of planets
  • Norwegian Nynorsk: planetologi — the study of planets
  • Polish: planetologia — the study of planets
  • Portuguese: planetologia — the study of planets
  • Portuguese: ciência planetária — the study of planets
  • Portuguese: astronomia planetária — the study of planets
  • Romanian: planetologie — the study of planets
  • Russian: планетоло́гия (planetológija) — the study of planets
  • Spanish: planetología — the study of planets
  • Spanish: ciencias planetarias — the study of planets
  • Turkish: gezegen bilimi — the study of planets
  • Turkish: planetoloji — the study of planets
  • Ukrainian: планетоло́гія (planetolóhija) — the study of planets
  • Ukrainian: планетозна́вство (planetoznávstvo) — the study of planets