plural of twelvemonth

plural of twelve

(printing) duodecimo format

(archaic) twelfth.

The number 1200 one thousand two hundred / The year 1200.

(US, education) The period in school that comes after eleventh grade and, rarely in the US, before thirteenth grade.

plural of twelfth

(paper) duodecimo, or 12mo, a paper size, so called because it is cut 12 to a (huge, originally made) sheet / (printing) a page, book etc.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

(nonstandard) One hundred (and) twenty; 120.

plural of twelvemo