English

Preposition

B4

1. (messaging) Abbreviation of before.

Derived terms

• inb4

Noun

B4 ‎(uncountable)

1. 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