Standard Lemma guide

siriometer

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 unit of distance equal to one million astronomical units or 15.813 light-years.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Sirius + -o- + meter. It is roughly twice the distance from Earth to the star Sirius.

Across languages

Translations

1 source translations are retained for this English entry.

  • Spanish: siriómetro — Translations