Definition of duodecimo in English:


Syllabification: du·o·dec·i·mo
Pronunciation: /ˌd(y)o͞oəˈdesəˌmō, ˌd(y)o͞o-ō
(abbreviation: 12mo)

noun (plural duodecimos)

  • 1A size of book page that results from the folding of each printed sheet into 12 leaves (24 pages). Also called twelvemo.
    More example sentences
    • Smaller formats could make printing less expensive, and text from a quarto edition could be squeezed into a duodecimo with considerable savings in paper - still a precious commodity in the age before wood pulp.
    • His estimation of the capacities of youth was generous in comparison; this more aggressive abridger turned the nineteen volumes of the three novels into a 232-page duodecimo.
    • It is a bunched, busy duodecimo, and in it, the reader can find stock poetic eloquence, like his, tailored to suit his circumstances.
  • 1.1A duodecimo book.
    More example sentences
    • Such was this shameful war of Bibles - folios, quartos, and duodecimos, even in the days of Charles the First.
    • Beware, too, of the vulgar error of fancying that little duodecimos with the mark of the fox and the bee's nest, and the motto ‘Quaerendo,’ come from the press of the Elzevirs.
    • The Elzevirian duodecimos achieved great contemporary popularity, and many authors thought it an honor to have their writings included in the series.


mid 17th century: from Latin (in) duodecimo 'in a twelfth', from duodecimus 'twelfth'.

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