quarto

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quarto

  • /ˈkwɔː.təʊ/ UK
  • /ˈkwɔɹ.toʊ/ US

Where it comes from

From Latin quartus (“fourth”).

noun quartos

  1. countable, uncountable A size of paper (7.5"-10" x 10"-12.5" or 190-254 x 254-312 mm). Formed by folding and cutting one of several standard sizes of paper (15"-20" x 20"-25" or 381-508 x 508-635 mm) twice to form 4 leaves (eight sides).
  2. UK, countable, uncountable Quarto writing paper (10 inches x 8 inches)
  3. countable, uncountable A book size, corresponding to the paper size. Beneath an old ebony table were two long carved oak chests. I lifted the lid of one, and at the top was a once-white surplice covered with dust, and beneath was a mass of tracts — Commonwealth Quartos, unbound — a prey to worms and decay.

    Similar: 4to, 4º, Q

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Cite this
MLA

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

APA

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

Chicago

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

BibTeX
@misc{quarto_2026,
  title = {quarto},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/quarto},
  urldate = {2026-11-06}
}