Word.ws English Dictionary

zeptometre

zeptometre noun: an SI unit of length equal to 10⁻²¹ metres. Symbol: zm.

Noun

zeptometre (plural zeptometres)

  1. An SI unit of length equal to 10⁻²¹ metres. Symbol: zm
    • Holonyms: attometre < femtometre < picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre < zettametre < yottametre < ronnametre < quettametre
    • Meronym: yoctometre

Forms of zeptometre

pluralzeptometres

Origin of zeptometre

From zepto- + metre.

Questions about zeptometre

What does zeptometre mean?
Zeptometre means an SI unit of length equal to 10⁻²¹ metres. Symbol: zm.
What part of speech is zeptometre?
Zeptometre is a noun.
What is the plural of zeptometre?
The plural of zeptometre is zeptometres.

Words near zeptometre in the dictionary

  1. zeptoliters
  2. zeptolitre
  3. zeptolitres
  4. zeptometer
  5. zeptometers
  6. zeptometre
  7. zeptometres
  8. zeptomolar
  9. zeptomole
  10. zeptomoles
  11. zeptosecond

Source and license

Adapted from Wiktionary: zeptometre (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “zeptometre.” Word.ws, https://word.ws/zeptometre. Based on Wiktionary, CC BY-SA 4.0.