Word.ws English Dictionary

zeptometer

zeptometer is the US spelling of zeptometre.

Meaning of zeptometre

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

Forms of zeptometer

pluralzeptometers

Origin of zeptometer

From zepto- + meter.

Questions about zeptometer

What is zeptometer the US spelling of?
Zeptometer is the US spelling of zeptometre.

Words near zeptometer in the dictionary

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

Source and license

Adapted from Wiktionary: zeptometer (page history and authors); 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: “zeptometer.” Word.ws, https://word.ws/zeptometer. Based on Wiktionary, CC BY-SA 4.0.