Word.ws English Dictionary

attometer

attometer is the US spelling of attometre.

Meaning of attometre

Noun

attometre (plural attometres)

  1. An SI unit of length equal to 10⁻¹⁸ metres. Symbol: am
    • Holonyms: femtometre < picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre < zettametre < yottametre < ronnametre < quettametre

Forms of attometer

pluralattometers

Origin of attometer

From atto- + meter.

Questions about attometer

What is attometer the US spelling of?
Attometer is the US spelling of attometre.

Words near attometer in the dictionary

  1. attolitre
  2. attolitres
  3. attollent
  4. attollents
  5. attom
  6. attometer
  7. attometers
  8. attometre
  9. attometres
  10. attomolar
  11. attomole

Source and license

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