Octodecimo (noun) Definition, Meaning & Examples

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noun, plural oc·to·dec·i·mos for 2.
  1. a book size of about 4 × 6 1/4 inches (10 × 16 centimeters), determined by printing on sheets folded to form 18 leaves or 36 pages. Symbols: 18mo, 18°
  2. a book of this size.
adjective
  1. in octodecimo.
noun plural -mos
  1. bookbinding another word for eighteenmo
Octodecimo (noun) Definition, Meaning & Examples

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