Noun: nonillion
- 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"
- 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