Standard Lemma guide

ronnametre

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.

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Pronunciation

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1

noun

Meaning 1

An SI unit of length equal to 1027 metres. Symbol: Rm

Definition source: English Wiktionary via Wiktextract

Usage: UK

Topics: metrology

Examples

  • Holonym: quettametre
  • Meronyms: picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre < zettametre < yottametre
  • The observable universe is about one ronnametre in diameter.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From ronna- + metre.