[ ok-tuh-des-uh-moh ]
/ ˌɒk təˈdɛs əˌmoʊ /
noun, plural oc·to·dec·i·mos for 2.
a book size of about 4 × 6 1/4 inches (10 × 16 centimeters), determined by printing on sheets folded to form 18 leaves or 36 pages. Symbols: 18mo, 18°
a book of this size.
IT’S A WORD OF THE DAY QUIZ BONANZA!
This windfall of words will make you rich with knowledge. Mine your memory on the words from July 27 to August 2!
Question 1 of 7
What does "scattergood" mean?
a person who acts as though he or she knows everything and who dismisses the opinions, comments, or suggestions of others.
a person who spends possessions or money extravagantly or wastefully; spendthrift.
a well-intentioned but naive and often ineffectual social or political reformer.TAKE THE QUIZ TO FIND OUT
Also called eighteenmo.
Origin of octodecimo
First recorded in 1855–60; short for New Latin in octōdecimō “in an eighteenth (of a sheet)”
Words nearby octodecimo
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for octodecimo
Other sizes occasionally used are called “sixteenmo” or “sextodecimo,” “eighteenmo” or “octodecimo,” etc.The Story of Books|Gertrude Burford Rawlings
British Dictionary definitions for octodecimo
/ (ˌɒktəʊˈdɛsɪməʊ) /
noun plural -mos
bookbinding another word for eighteenmo
Word Origin for octodecimo
C18: from New Latin phrase in octodecimo in an eighteenth (of a whole sheet)
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