Word.ws English Dictionary

zettametre

zettametre noun: an SI unit of length equal to 10²¹ metres. Symbol: Zm.

Noun

zettametre (plural zettametres)

  1. An SI unit of length equal to 10²¹ metres. Symbol: Zm
    • Holonyms: yottametre < ronnametre < quettametre
    • Meronyms: picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre

Examples of zettametre in a sentence

  • The largest known galaxy, at the centre of the Abell 2029 cluster in Virgo, has a diameter of around 53 zettametres.1994, New Scientist - Volume 144, Issues 1951-1958, page 81:
  • As one of my reviewers (SP Gray) puts it: '...I think that Andromeda will be a good deal closer to the Solar System than it is now, before we read of its distance in zettametres'2015 August, Keith Atkin, “Time to ditch non-SI units in physics teaching?”, in Physics Education, volume 50, number 5:
  • How many kiloparsecs are there in a zettametre (10²¹ m)?2018, Margreth Tadie, Robert Pott, Neill Goosen, Petrie Van Wyk, Karin Elizabeth Wolff, “Expanding 1st year problem-solving skills through...

Forms of zettametre

pluralzettametres

Origin of zettametre

From zetta- + metre.

Questions about zettametre

What does zettametre mean?
Zettametre means an SI unit of length equal to 10²¹ metres. Symbol: Zm.
How do you use zettametre in a sentence?
The largest known galaxy, at the centre of the Abell 2029 cluster in Virgo, has a diameter of around 53 zettametres.
What part of speech is zettametre?
Zettametre is a noun.
What is the plural of zettametre?
The plural of zettametre is zettametres.

Words near zettametre in the dictionary

  1. zettahertz
  2. zettai ryouiki
  3. zettai ryōiki
  4. zettameter
  5. zettameters
  6. zettametre
  7. zettametres
  8. zettampere
  9. zettamperes
  10. zettaparsec
  11. zettaparsecs

Source and license

Adapted from Wiktionary: zettametre (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: “zettametre.” Word.ws, https://word.ws/zettametre. Based on Wiktionary, CC BY-SA 4.0.