1. relating to or based on the number twelve or a system of counting by twelves
Usage: mathematical

1. a number system that uses twelve as its base
Usage: mathematical

Examples

• The duodecimal system uses twelve digits instead of ten.
• Ancient civilizations sometimes employed duodecimal counting methods.
• In duodecimal notation, the number twelve is written as 10.
• Some mathematicians argue that a duodecimal system would be more practical than our decimal system.
• The duodecimal has advantages because twelve has more factors than ten.
• Converting from decimal to duodecimal requires understanding base-twelve arithmetic.