Word.ws English Dictionary

zeptogram

zeptogram noun: an SI unit of mass equal to 10⁻²¹ grams. Symbol: zg.

Noun

zeptogram (plural zeptograms)

  1. An SI unit of mass equal to 10⁻²¹ grams. Symbol: zg

Forms of zeptogram

pluralzeptograms
alternative UKzeptogramme

Origin of zeptogram

From zepto- + gram.

Questions about zeptogram

What does zeptogram mean?
Zeptogram means an SI unit of mass equal to 10⁻²¹ grams. Symbol: zg.
What part of speech is zeptogram?
Zeptogram is a noun.
What is the plural of zeptogram?
The plural of zeptogram is zeptograms.

Words near zeptogram in the dictionary

  1. zepto-amperes
  2. zepto-joule
  3. zeptoamperes
  4. zeptobarn
  5. zeptobarns
  6. zeptogram
  7. zeptogramme
  8. zeptogrammes
  9. zeptograms
  10. zeptojoule
  11. zeptoliter

Source and license

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