Meaning of sixteenmo

six•teen•mo

Pronunciation: (siks'tēn'mō), [key]
— n., pl. adj. -mos,
—n.
  1. Also calleda book size (about 4×6 in.; 10×15 cm) determined by printing on sheets folded to form 16 leaves or 32 pages.
  2. a book of this size. Symbol: 16mo, 16°
—adj.
  1. printed, folded, or bound in sixteenmo; sextodecimo.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.