2. Noun. paper size defined by ISO 216 as 250mm × 353mm or 9.8 in × 13.9 in. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of B4
B. E. F. B. F. Skinner B. I. O. T. B. M. A. B/E B/L B/U B0 B1 B19 virus | B2B B2C B2I B2 protease B3 B4 (current term) B5 B6 B6 bronchus sign B8 | BA BAA BAC BACH motif BACH motifs BACREM BACS BAEP BAER BAF |