Zettametre

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An SI unit of length equal to 10²¹ metres. Symbol: Zm
"Holonyms: yottametre < ronnametre < quettametre"

Synonyms

zm

Example

"Holonyms: yottametre < ronnametre < quettametre"

Etymology

From zetta- + metre.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.