A7
Translingual
editPronunciation
editEtymology 1
editSpecified in ISO 216, the international standard on paper sizes.
Symbol
editA7
- (international standards) ISO 216 standard paper size of 74 mm × 105 mm (2.91 in × 4.13 in), with a surface area of 77.7 cm2 (12 sq in).
Coordinate terms
editISO 216/269 paper sizes
Etymology 2
editSymbol
editA7
- (music) The dominant seventh chord on A, formed by the notes A, C♯, E and G, also written as A7.