quectogram means an SI unit of mass equal to 10⁻³⁰ grams. Symbol: qg. Lexicurio rates it Sui generis — a strength score of 100 out of 100.
Etymology
From quecto- + gram.
noun
- An SI unit of mass equal to 10⁻³⁰ grams. Symbol: qg“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.”