Dictionary.com

duodecimo

[ doo-uh-des-uh-moh, dyoo- ]
/ ˌdu əˈdɛs əˌmoʊ, ˌdyu- /

noun, plural du·o·dec·i·mos.

Also called twelvemo. a book size of about 5 × 7½ inches (13 × 19 centimeters), determined by printing on sheets folded to form 12 leaves or 24 pages. Symbol: 12 mo, 12°
a book of this size.

adjective

in duodecimo; twelvemo.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
gato/gata
cato/cata
gatto/gatta
TAKE THE QUIZ TO FIND OUT

Origin of duodecimo

First recorded in 1650–60; short for Latin in duodecimō “in twelfth”

Words nearby duodecimo

duobinary, duodecagon, duodecastyle, duodecillion, duodecimal, duodecimo, duodenal, duodenal ampulla, duodenal cap, duodenal fossa, duodenal gland
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for duodecimo

British Dictionary definitions for duodecimo

duodecimo
/ (ˌdjuːəʊˈdɛsɪˌməʊ) /

noun plural -mos

Also called: twelvemo a book size resulting from folding a sheet of paper into twelve leavesOften written: 12mo, 12°
a book of this size

Word Origin for duodecimo

C17: from Latin phrase in duodecimō in twelfth, from duodecim twelve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012