twelvemo

twelve·mo

T0434400 (twĕlv′mō′)n. pl. twelve·mos See duodecimo.

twelvemo

(ˈtwɛlvməʊ) n, pl -mos (Printing, Lithography & Bookbinding) bookbinding another word for duodecimo

du•o•dec•i•mo

(ˌdu əˈdɛs əˌmoʊ, ˌdyu-)

n., pl. -mos,
adj. n. 1. a book size of about 5 x 7½ in. (13 x 19 cm), determined by printing on sheets folded to form 12 leaves or 24 pages. Symbol: 12 mo, 12° 2. a book of this size. adj. 3. in duodecimo; twelvemo. Also called twelvemo. [1650–60; short for Latin in duodecimō in twelfth]