A3 (Portugal)
WiktionaryText
Etymology 1
See the Wikipedia article ISO 216, the international standard on paper sizes.
Noun
A3
- A standard paper size, defined by ISO 216.
- dimensions: 420 x 297 mm (420.448 x 297.302 mm)
Proper noun
A3
- A major thoroughfare in England
- Take the A3 road to Portsmouth.