Phrase guide

stellar day

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 rotational period of Earth; the time in which Earth rotates exactly 360 degrees around its axis, measured relative to the stars.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

2 source translations are retained for this English entry.

  • Dutch: sterrendag — period of one rotation of Earth, measured relative to the stars
  • Finnish: tähtivuorokausi — period of one rotation of Earth, measured relative to the stars