twenty-fourmo

[ twen-tee-fawr-moh, -fohr-, twuhn- ]
/ ˌtwɛn tiˈfɔr moʊ, -ˈfoʊr-, ˈtwʌn- /

noun, plural twen·ty-four·mos.

a book size of about 3 5/8 × 5 1/8 inches (9 × 13 cm), determined by printing on sheets folded to form 24 leaves or 48 pages.
a book of this size. Symbol: 24mo, 24°

adjective

in twenty-fourmo.
Also called vigesimoquarto.

Origin of twenty-fourmo

First recorded in 1835–45; twenty-four + -mo

Words nearby twenty-fourmo

twenty-first, twenty-first amendment, twenty-five, twenty-four, twenty-four-seven, twenty-fourmo, twenty-fourth, twenty-fourth amendment, twenty-nine, twenty-ninth, twenty-one