Phrase guide

optical double

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 star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other.

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

4 source translations are retained for this English entry.

  • French: étoile double optique — star that appears as a double due to an optical illusion
  • Irish: réalta dhúbailte optúil — star that appears as a double due to an optical illusion
  • Japanese: 見かけの二重星 (mikake no nijūsei) — star that appears as a double due to an optical illusion
  • Polish: optyczna gwiazda podwójna — star that appears as a double due to an optical illusion