quadragesimo-octavo

Etymology
From ablatives of  and.

Noun

 * 1)  A paper size, (2.5"-3.1" x 2.5"-3.3"), one forty-eighth of a standard uncut flat sheet.
 * 2)  A book size, (2.5"-3.1" x 2.5"-3.3"), corresponding to the paper size.

Synonyms

 * 48mo, forty-eightmo, 48º
 * Fe, 48mo, forty-eightmo, 48º