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ALL meanings of twentymo

twen·ty·mo
T t
  • noun plural twentymo a book size of about 3 × 5 inches (8 × 12 cm), determined by printing on sheets folded to form 20 leaves or 40 pages. 1
  • noun plural twentymo a book of this size. Symbol: 20mo, 20°. 1
  • adjective twentymo in twentymo. 1
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