noun
- the number represented by 1 followed by 36 zeros in the US system, or by 1 followed by 66 zeros in the British system
Usage: mathematics
Examples
- An undecillion is an extremely large number rarely used outside of mathematical contexts.
- The national debt would need to reach an undecillion dollars to match that astronomical figure.
- Scientists estimated there are fewer than an undecillion atoms in the observable universe.
- The computer calculated values up to one undecillion in the complex equation.
- An undecillion seconds would represent an incomprehensibly long period of time.
- The lottery odds were jokingly described as one in an undecillion.