Duodecimal
Duodecimal , adjective
[Latin duodecim twelve. See Dozen.]
Proceeding in computation by twelves; expressed in the scale of twelves.
Duodecimal , noun
1.
A twelfth part; as, the duodecimals of an inch.
2.
(Architecture) 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.