From ronto- + gram. <span class="searchmatch">rontogram</span> (plural <span class="searchmatch">rontograms</span>) (metrology) An SI unit of mass equal to 10−27 grams. Symbol: rg 2022 November 18, Ian Sample, “Earth...
<span class="searchmatch">rontograms</span> plural of <span class="searchmatch">rontogram</span>...
rontogramme (plural rontogrammes) (rare, British) Alternative spelling of <span class="searchmatch">rontogram</span>....
tiny numbers”, in Chemistry World[1]: An electron’s mass is about one <span class="searchmatch">rontogram</span>, Jupiter weighs two quettagrams and the diameter of the observable universe...
ronnagrams, and Jupiter about two quettagrams. An electron weighs about a <span class="searchmatch">rontogram</span>, and a single bit of data stored on a mobile phone adds about 10 quectograms...
multigram myriagram petagram picogram quectogram quettagram ronnagram <span class="searchmatch">rontogram</span> stereogram subgram syllectogram teragram yoctogram yottagram zeptogram...
r Synonym: xenno- Antonym: ronna- English terms prefixed with ronto- <span class="searchmatch">rontogram</span> SI prefix ^ https://www.bipm.org/documents/20126/28433774/working-doc...