Definitions for "Duodecimal"
Proceeding in computation by twelves; expressed in the scale of twelves.
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.
based on twelve; "the duodecimal number system"
Keywords:  twelfth, inch, part
A twelfth part; as, the duodecimals of an inch.