See also [Eng.] octave; [Fr.] octave; [Ger.] Oktave; [It.] ottava.
In modern notation, the abbreviation 8va is used to indicate the passage to be performed one octave higher than written and the abbreviation 8vb (ottava bassa) is used to indicate the passage to be performed one octave lower than written.
See also [Eng.] at the octave; [Fr.] à l'octave; [Ger.] in der Oktave; [It.] all' ottava; [It.] ottava; [It.] ottava bassa; [Abbr.] 8. [Abbr.] 8va; [Abbr.] 8a alta; [Abbr.] 8vb; [Abbr.] 8va bassa [Abbr.] 8a b.