forty-eightmo

[ fawr-tee-eyt-moh ]

noun,plural for·ty-eight·mos for 2.
  1. a book size of about 2½ × 4 inches (6 × 10 centimeters), determined by printing on sheets folded to form 48 leaves or 96 pages. Abbreviations: 48mo, 48°

  2. a book of this size.

adjective
  1. in forty-eightmo.

Origin of forty-eightmo

1
First recorded in 1885–90; forty-eight + -mo

Words Nearby forty-eightmo

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024