Definition of duodecimal

• a. - Proceeding in computation by twelves; expressed in the scale of twelves.
• n. - A twelfth part; as, the duodecimals of an inch.
• n. - A system of numbers, whose denominations rise in a scale of twelves, as of feet and inches. The system is used chiefly by artificers in computing the superficial and solid contents of their work.