4to
Multiple Entries:4to quarto
Concise Oxford English Dictionary © 2008 Oxford University Press:
4to
▶abbreviation quarto.
Concise Oxford English Dictionary © 2008 Oxford University Press:
quarto /ˈkwɔːtəʊ/ (abbrev.: 4to)
▶noun (pl. quartos) a page or paper size resulting from folding a sheet into four leaves, typically 10 inches × 8 inches (254 × 203 mm).
■ a book of this size.
– origin C16: from L. (in) quarto ‘(in) the fourth (of a sheet)’, ablative of quartus ‘fourth’.
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