eighteenmo

[ ey-teen-moh ]

/ ˈeɪˈtin moʊ /

Bookbinding.

Save This Word!

noun, adjective plural eight·een·mos,

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of eighteenmo

eighteen + -mo

Words nearby eighteenmo

eigenvector, Eiger, eight, eightball, eighteen, eighteenmo, eighteenth, Eighteenth Amendment, eighteen-wheeler, eightfold, Eightfold Path

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use eighteenmo in a sentence

Other sizes occasionally used are called “sixteenmo” or “sextodecimo,” “eighteenmo” or “octodecimo,” etc.
The Story of Books|Gertrude Burford Rawlings

British Dictionary definitions for eighteenmo

eighteenmo

/ (ˈeɪˈtiːnməʊ) /

noun plural -mos

Also called: octodecimo a book size resulting from folding a sheet of paper into 18 leaves or 36 pagesOften written: 18mo, 18°

a book of this size

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