zettahttp://www.oed.com/dictionary/zetta_combform%3Ftab%3Dmeaning_and_usezetta-, comb. form
First published 2016

zetta-combining form

  1. Prefixed to the names of units of measurement to denote a factor of 1021 (one thousand million million million; one thousand to the power of seven), as zettabyte, zettagram, zettametre, etc. Symbol Z.
    1. 1991
      After further discussion along this line the CCU decided as follows:..10+21 zetta [symbol] Z... 10+24 yotta [symbol] Y.
      Rapport de la 10e Session, Commité Consultatif des Uniés (Bureau Internat. des Poids et Mesures) u44
    2. 1994
      The largest known galaxy, at the centre of the Abell 2029 cluster in Virgo, has a diameter of around 53 zettametres.
      New Scientist 3 December 81/1
    3. 2001
      So, it's 1 yottabyte = 280 bytes or 1 zettabyte = 270 bytes.
      Personal Computer World July 56/1
    4. 2015
      At the large unit end of the mass scale there is the zettagram.
      F. Adams & C. Barbante, Chem. Imaging Analysis ii. 53

zetta-, comb. form was first published in September 2016.

zetta-, comb. form was last modified in December 2024.