Definitions
from Wiktionary, Creative Commons Attribution/ShareAlike License.
 adjective arithmetic, rare Of a number, expressed in
base 12.  noun arithmetic, rare A
number system that uses 12 as itsbase .
Etymologies
from Wiktionary, Creative Commons Attribution/ShareAlike License
Examples

Even though his clients supply him with dimensions in decimal, he prefers to translate them into dozenal.

Counting upwards from do in base 12, or “dozenal,” we have do one for 11, do two for 12, do three for 13 all the way up to do nine for 19, do dek for 1, do el for 1 and finally two do for 20.

Even though his clients supply him with dimensions in decimal, he prefers to translate them into dozenal.

Counting upwards from do in base 12, or “dozenal,” we have do one for 11, do two for 12, do three for 13 all the way up to do nine for 19, do dek for 1, do el for 1 and finally two do for 20.

Even though his clients supply him with dimensions in decimal, he prefers to translate them into dozenal.

Counting upwards from do in base 12, or “dozenal,” we have do one for 11, do two for 12, do three for 13 all the way up to do nine for 19, do dek for 1, do el for 1 and finally two do for 20.

I’ve got more and cleaner choices with dozenal, and it’s faster.

I’ve got more and cleaner choices with dozenal, and it’s faster.

I’ve got more and cleaner choices with dozenal, and it’s faster.
vanishedone commented on the word dozenal
The Dozenal Society of America advocates counting in base twelve.
May 27, 2009
yarb commented on the word dozenal
That's rather unconventional. Surely base 19 would be easier for everyone?
May 27, 2009
john commented on the word dozenal
Maybe their web site is returning so many PHP errors because they tried to program it in base 12?
May 27, 2009
bilby commented on the word dozenal
It's a secret cartel of eggcarton manufacturers.
May 27, 2009
seanahan commented on the word dozenal
Don't forget bakers. Oh wait, they advocate base thirteen.
May 27, 2009