rontogram

Hello, you have come here looking for the meaning of the word rontogram. In DICTIOUS you will not only get to know all the dictionary meanings for the word rontogram, but we will also tell you about its etymology, its characteristics and you will know how to say rontogram in singular and plural. Everything you need to know about the word rontogram you have here. The definition of the word rontogram will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofrontogram, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

Etymology

From ronto- +‎ gram.

Noun

rontogram (plural rontograms)

  1. (metrology) An SI unit of mass equal to 10−27 grams. Symbol: rg
    • 2022 November 18, Ian Sample, “Earth weighs in at six ronnagrams as new prefixes picked for big and small”, in The Guardian:
      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.