Word.ws English Dictionary

petameter

petameter is the US spelling of petametre.

Meaning of petametre

Noun

petametre (plural petametres)

  1. An SI unit of length equal to 10¹⁵ metres. Symbol: Pm
    • Meronyms: picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre

Forms of petameter

pluralpetameters

Origin of petameter

From peta- + meter.

Questions about petameter

What is petameter the US spelling of?
Petameter is the US spelling of petametre.

Words near petameter in the dictionary

  1. Petaluma
  2. petalurid
  3. petalurids
  4. petalwise
  5. petaly
  6. petameter
  7. petameters
  8. petametre
  9. petametres
  10. petanque
  11. petanques

Source and license

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