quectosecond

English

Etymology

quecto- +‎ second

Pronunciation

• (General American) IPA^(key): /ˈkwɛk.toʊˌsɛk.ənd/

Noun

quectosecond (plural quectoseconds)

1. (metrology) An SI unit of time equal to 10⁻³⁰ seconds. Symbol: qs
   • 2022 March 19, Howard Ludwig, “Is there a unit of time smaller than an attosecond?”, in quora.com‎^[1]:

     Within SI there is the zeptosecond: 1 zs = 0.001 as = 10⁻²¹ s, and the yoctosecond: 1 ys = 0.001 zs = 10⁻²⁴ s. The CIPM has prepared draft resolutions submitted to and to be voted on by the CGPM in 2022–11, one of which involves four additional scaling prefixes to SI, two of which are relevant to the question. These prefixes will not be official unless and until approved by the CGPM, so there is a small risk that I am jumping the gun: the rontosecond: 1 rs = 0.001 ys = 10⁻²⁷ s; the quectosecond: 1 qs = 0.001 rs = 10⁻³⁰ s.

   • 2023 February 24, eladl, “What is smaller than a yoctosecond?”, in math.answers.com‎^[2]:

     quectosecond rontosecond plank time zeptosecond

   • 2023 May 20, Bruce, “The Work of the Bureau International Poids et Mesures (BIPM)”, in https://81018.com‎^[3]:

     You may be interested to take a look at one of the earlier uses of those two new designations, Rontosecond and Quectosecond, officially cited as such from your meetings from 15-18 November 2022 in Paris, of the General Conference on Weights and Measures (CGPM) of your International Commission of Weights and Measures (BIPM) whereby you all adopted Resolution 3 making it a globally acceptable name for the range 10−30 to 10−32 of the infinitesimal scale of time.

Synonyms

• qs