ALL meanings of eighteenmo
- noun eighteenmo Octodecimo (as a paper size in printing). 1
- noun eighteenmo a book size resulting from folding a sheet of paper into 18 leaves or 36 pages 0
- noun eighteenmo a book of this size 0
- noun eighteenmo the page size of a book made up of printer's sheets folded into eighteen leaves, each leaf being approximately 4 by 61⁄2 in 0
- noun eighteenmo a book consisting of pages of this size 0
- adjective eighteenmo octodecimo 0