Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A size of paper or book: 1.87"-2.5" x 2.5"-3.125".
 
Etymologies
Sorry, no etymologies found.
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Examples
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Cf the printing terms 32mo (thirty-twomo) & 64mo (sixty-fourmo).
On twoth DC 2008
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Spanish-English Technical Terms. 64mo, leather, * 1 00
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By Claude H.Bater. 64mo, vest pocket size. 340 pages.
Scientific American Supplement, No. 1157, March 5, 1898 Various
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WILLOWS BY THE WATERCOURSES; or, God's Promises to the Young. 64mo. 6d.
 
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