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4to
Origin
From
Latin
ablative
of
quartus
("fourth")
Full definition of 4to
Noun
4to
(
plural
4tos
)
(
paper
) Abbreviation of
quarto
, a paper size.
(
printing
) Abbreviation of
quarto
, a corresponding book size.
Synonyms
(
paper size
)
4º
(
book size
)
Q
,
4º
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