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Definition
2024
B4
B4
English
Preposition
B4
(
messaging
)
Abbreviation of
before
.
Derived terms
inb4
Noun
B4
(
uncountable
)
paper size defined by
ISO 216
as 250mm × 353mm or 9.8 in × 13.9 in.
See also
(
B
paper sizes
)
:
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
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