duodecimo

1. 1.

   a. Having twelve leaves to a sheet; as, a duodecimo from,；book, leaf, size, etc.；n. A book consisting of sheets each of which is folded into；twelve leaves; hence, indicating, more or less definitely, a size of a；book; -- usually written 12mo or 12�.

   十二开；十二开的书；十二开的

Connections

Learner notes