eighteenmo
American
[ay-teen-moh]
/ ˈeɪˈtin moʊ /
noun
-
eighteenmos
plural
eighteenmo
British
/ ˈeɪˈtiːnməʊ /
noun
-
Also called: octodecimo. Often written: 18mo, 18°. a book size resulting from folding a sheet of paper into 18 leaves or 36 pages
-
a book of this size
Other Word Forms
Noun Inflected Forms
Etymology
Origin of eighteenmo
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
