Definition of three–line octave
: the musical octave beginning with and ascending from the second C above middle C — see pitch illustration
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of three–line octave
so called from the three accent marks of the symbol C′″ representing the second C above middle C
First Known Use: circa 1931See Words from the same year
Seen and Heard
What made you want to look up three–line octave? Please tell us where you read or heard it (including the quote, if possible).