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Noun: nonillion
  1. The number represented by 1 followed by 30 zeros (10^30) in the short scale number system used in English-speaking countries
    "The number of atoms in the universe is estimated to be around one nonillion"
     
  2. The number represented by 1 followed by 54 zeros (10^54) in the long scale system used in some European countries

Derived forms: nonillions

Encyclopedia: Nonillion