octodecimo
[ ok-tuh-des-uh-moh ]
/ ˌɒk təˈdɛs əˌmoʊ /
noun, plural oc·to·dec·i·mos for 2.
a book size of about 4 × 6 1/4 inches (10 × 16 cm), determined by printing on sheets folded to form 18 leaves or 36 pages. Symbol: 18mo, 18°
a book of this size.
adjective
in octodecimo.
Also called
eighteenmo.
Origin of octodecimo
1855–60; short for New Latin
in octōdecimō in an eighteenth (of a sheet)
Words nearby octodecimo
october,
october revolution,
octobrist,
octocentenary,
octodecillion,
octodecimo,
octofoil,
octogenarian,
octomerous,
octometer,
octonary
Example sentences from the Web for octodecimo
Other sizes occasionally used are called “sixteenmo” or “sextodecimo,” “eighteenmo” or “octodecimo,” etc.
The Story of Books |Gertrude Burford Rawlings
British Dictionary definitions for octodecimo
Word Origin for octodecimo
C18: from New Latin phrase
in octodecimo in an eighteenth (of a whole sheet)