Du`o*dec"i*mal , n.
1. A twelfth part; as, the duodecimals of an inch.
2. pl. (Arch.) 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.
Du`o*dec"i*mal (?), a.
[L. duodecim twelve. See Dozen.]
Proceeding in computation by twelves;
expressed in the scale of twelves. --
Du`o*dec"i*mal*ly,
adv.