12mo

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12mo

Where it comes from

12 + -mo, for a twelfth of a sheet.

noun 12mos

abbreviation, uncountable, usually Abbreviation of duodecimo, a page size (5"-5.5" x 7.125"-7.5")
uncountable, usually A book size using duodecimo-sized pages.
Similar: D, 12º, twelvemo, duodecimo

Similar: 12º, twelvemo, duodecimo

Thesaurus

noun

Similar: 12º, twelvemo, duodecimo

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MLA

"12mo." Wiktionary, via Micwyn, micwyn.com/word/12mo. Accessed 6 Nov. 2026.

APA

12mo. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/12mo

Chicago

"12mo." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/12mo.

BibTeX

@misc{12mo_2026,
  title = {12mo},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/12mo},
  urldate = {2026-11-06}
}