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eighteenmos
Variant of eighteenmo
noun pl. eighteenmos
- the page size of a book made up of printer's sheets folded into eighteen leaves, each leaf being approximately 4 by 6 in
- a book consisting of pages of this size
adjective
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.