A2

See also: A-2 and a2

Translingual

The relative size of A2 paper.

Etymology

• (paper size): Specified in ISO 216.

Symbol

A2

1. (international standards) ISO 216 standard paper size of 420 mm × 594 mm (16.54 in × 23.39 in), with a surface area of 0.249 m² (2.69 sq ft).
2. (finance) Long-term bond credit rating by Moody's Investors Service, indicating that a bond is upper-medium grade with low risk of default.

See also

ISO 216/269 paper sizes

A series: 4A0 2A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 B series: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 C series: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10

Noun

A2

1. (virology) A type of Asian influenza virus.
   • 1877, John Holmes Dingle, Biographical Memoirs, volume 61 (in English):

     […] antibody response to Influenza (A2) virus.

2. (cardiology) Aortic second sound.
   • 2012, Perloff, Joseph K., Marelli, Ariane, Perloff's Clinical Recognition of Congenital Heart Disease (in English):

     […] and the aortic component of the second sound (A₂) is normal.

See also

• (aortic second sound): P2

Norwegian Bokmål

Size illustration of paper sizes, including A2.

Etymology

See the Wikipedia article ISO 216, the international standard on paper sizes.

Pronunciation

• IPA^(key): /ˈɑːtuː/

• Audio:

  (file)

• Rhymes: -uː
• Hyphenation: A‧2

Noun

A2 (uncountable)

1. A standard paper size, defined by ISO 216.

   dimensions: 594 x 420 mm

See also

• (A paper sizes): 2A0   A0   A1   A2   A3   A4   A5   A6   A7   A8   A9   A10

References

• “A-format” in Store norske leksikon