Word.ws English Dictionary

rontogramme

rontogramme is the alternative spelling of rontogram.

Meaning of rontogram

Noun

rontogram (plural rontograms)

  1. An SI unit of mass equal to 10⁻²⁷ grams. Symbol: rg
    • The arrival of the new prefixes means the Earth can now be said to weigh six ronnagrams, and Jupiter about two quettagrams. An electron weighs about a rontogram, and a single bit of data stored on a mobile phone adds about 10 quectograms to its mass.2022 November 18, Ian Sample, “Earth weighs in at six ronnagrams as new prefixes picked for big and small”, in The Guardian

Forms of rontogramme

pluralrontogrammes

Questions about rontogramme

What is rontogramme the alternative spelling of?
Rontogramme is the alternative spelling of rontogram.

Words near rontogramme in the dictionary

  1. Rontgen ray
  2. rontgenite
  3. rontgenites
  4. ronto-
  5. rontogram
  6. rontogramme
  7. rontogrammes
  8. rontograms
  9. rontosecond
  10. rontoseconds
  11. ronts

Source and license

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