1. The plural of centillion; in the short scale (used in the U.S. and modern British English), the number 10^303; in the long scale (used in some European countries), the number 10^600.
Usage: Used primarily in mathematics and scientific contexts.; The short-scale definition (10^303) is standard in U.S. English.; Centillions are so large they rarely appear in practical calculations.

Examples

• A centillion is an incomprehensibly large number used mainly in theoretical mathematics.
• The number of atoms in the observable universe is far smaller than a centillion.
• In the short scale, a centillion is written as 1 followed by 303 zeros.
• Mathematicians sometimes reference centillions when discussing the limits of numerical notation.