duodecimo
Syllabification: (du·o·dec·i·mo)
Pronunciation: /ˌd(y)o͞oəˈdesəˌmō, ˌd(y)o͞o-ō/
(abbreviation: 12mo)
Definition of duodecimo
noun ( plural duodecimos)
- a size of book page that results from the folding of each printed sheet into 12 leaves (24 pages). Also called twelvemo.
Origin:
mid 17th century: from Latin (in) duodecimo 'in a twelfth', from duodecimus 'twelfth'