octodecimo Hear it!

octodecimo definition

octo·deci·mo (äk′tō des′ə mō′)

noun pl. octodecimos -·mos′

  1. a page size (about 4 by 6 in), of a printer's sheet
  2. a book with pages of this size

Etymology: < L (in) octodecimo, (in) eighteen, abl. of octodecimus, eighteenth

adjective

with pages of this size

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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