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sixty-fourmo

[siks-tee-fawr-moh, -fohr-]

noun

plural

sixty-fourmos 
  1. a book size (about 2 × 3 inches; 5 × 7 centimeters) determined by printing on sheets folded to form 64 leaves or 128 pages.

  2. a book of this size. 64mo, 64°



adjective

  1. printed, folded, or bound in sixty-fourmo.

sixty-fourmo

/ ˌɪɪˈɔːəʊ /

noun

  1. Often written: 64mo. 64°.a book size resulting from folding a sheet of paper into 64 leaves or 128 pages, each one sixty-fourth the size of the sheet

  2. a book of this size

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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