1. The plural of novemdecillion; the number represented by 1 followed by 60 zeros in the short scale (U.S. and modern British), or 1 followed by 114 zeros in the long scale (traditional British and European).
Usage: mathematics; formal; The short scale is standard in U.S. English; the long scale is used in some European countries.

Examples

• A novemdecillion is an astronomically large number used primarily in theoretical mathematics.
• The physicist joked that the odds were one in novemdecillions.
• In the short scale system, novemdecillions come after octodecillions.
• Few real-world applications require calculations involving novemdecillions.