Standard Lemma guide

ploonet

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

A theoretical planetary body that formed as a moon orbiting a planet, but which has become tidally detached, so that it enters orbit about its star, separated from its parent planet.

Definition source: English Wiktionary via Wiktextract

Usage: neologism

Topics: astronomy, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of planet + moon. Coined in 2019 by the research team of Mario Sucerquia, Jaime A Alvarado-Montes, Jorge I Zuluaga, Nicolás Cuello, Cristian Giuppone (see quotations below).

Across languages

Translations

2 source translations are retained for this English entry.

  • Japanese: プルーネット (purūnetto) — tidally-detached moon
  • Korean: 플루넷 (peullunet) — tidally-detached moon