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-mo definition

-mo (mō)

a book, pamphlet, etc. having (a specified number of) leaves as a result of the folding of a sheet of paper a given number of times 12mo, duodecimo, or twelvemo

Etymology: < ending of L abl. forms of ordinals, after prep. in, as in duodecimo (< duodecimus, twelfth)

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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