sextodecimo

The page size of a book composed of printer’s sheets folded into 16 leaves or 32 pages.

A book composed of sextodecimo pages.

A sheet of paper when regularly folded in 16 leaves of equal size; also, a pamphlet or book made up of folded sheets of 16 leaves: usually indicated thus, 16 mo or 16° (commonly read sixteenmo). Also used adjectively.

A book composed of sheets each of which is folded into sixteen leaves; hence, indicating, more or less definitely, a size of a book; — usually written 16mo, or 16°.

Having sixteen leaves to a sheet; of, or equal to, the size of one fold of a sheet of printing paper when folded so as to make sixteen leaves, or thirty-two pages.

A size of a sheet of paper resulting from folding and cutting a sheet of paper into sixteenths (3.25″-5″ x 5″-6.25″).

A book consisting of pages of that size.