twelvemo

== English == === Etymology === From twelve +‎ -mo. === Noun === twelvemo (plural twelvemos) (paper) duodecimo, or 12mo, a paper size, so called because it is cut 12 to a (huge, originally made) sheet (printing) a page, book etc. of that size ==== Synonyms ==== (page size): 12mo, duodecimo, 12º (book size): D, 12mo, duodecimo, 12º ==== See also ==== === References === “twelvemo” in Webster’s Seventh New Collegiate Dictionary: Based on Webster’s Third New International Dictionary, 7th edition, Springfield, Mass.: G[eorge] & C[harles] Merriam, 1963 (1967 printing), →OCLC.