Meanings of duodecimal in English

Three quarters of the Forms bear a duodecimal impress.

The consistent duodecimal development of this idea appears to have belonged to the Italian nation, and to have preceded the first contact with the Greeks.

They learned to use both the decimal and the duodecimal systems (nowadays we use only the decimal system, which is a great pity).

But I can't bear Duodecimals, Position, and such things.

The Duodecimal System) of the measures of surface.

The DSA produces an excellent publication, the Duodecimal Bulletin, which contains many reasons why dozenal arithmetic is cleaner and simpler than decimal arithmetic.