American Heritage® Dictionary of the English Language, Fourth Edition
- n. See duodecimo.
Century Dictionary and Cyclopedia
- Same as duodecimo: commonly written 12 mo.
- n. paper duodecimo, or 12mo, a paper size, so called because it is cut 12 to a (huge, originally made) sheet
- n. printing a page, book etc. of that size
GNU Webster's 1913
- See duodecimo.
- twelve + -mo (Wiktionary)
“Quiz, illustrated by Phiz, and published in one volume, square twelvemo.”
“Dedicator is humbly of opinion that so many libels, upon your Honourable sex, were never contained in any previously published work, in twelvemo or any other mo.”
“An ordinary twelvemo book, without illustrations in the text, is usually printed in forms of thirty-two pages, on what is known as a single-cylinder flat-bed press, which prints only one side of the paper at an impression.”
“In consequence of the many and varied sizes of papers now manufactured, the terms folio, quarto or 4to., octavo or 8vo., twelvemo or 12mo., and so on, as indicating the number of folds in the printed sheets, can no longer be relied upon as a definite guide to the sizes of books, hence the change, as follows: --”
“The mention of any size, folio, quarto, octavo, twelvemo, sixteenmo, calls up at once a distinct mental picture of an ideal book for each dimension, and the series is marked by a decreasing thickness of paper and size of type as it progresses downward from the folio.”
“Close, in the, year of God seventeen hundred and five, or six, I am not precisely certain which --- but I have a copy at home that stands next to my twelvemo copy of the Scots Acts, and ranges on the shelf with them very well.”
“THAT actuated by these considerations, and further moved by various slanders and insinuations respecting your Honourable sex contained in the said work, square twelvemo, entitled 'Sketches of Young”
“Ladies, 'your Dedicator ventures to produce another work, square twelvemo, entitled' Sketches of Young Gentlemen, 'of which he now solicits your acceptance and approval.”
“THAT your Dedicator has perused, with feelings of virtuous indignation, a work purporting to be 'Sketches of Young Ladies;' written by Quiz, illustrated by Phiz, and published in one volume, square twelvemo.”
“Honourable sex, were never contained in any previously published work, in twelvemo or any other mo.”
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