Dictionary.com
Thesaurus.com

hexachord

American  
[hek-suh-kawrd] / ˈhɛk səˌkɔrd /

noun

Music.
  1. a diatonic series of six tones having, in medieval music, a half step between the third and fourth tones and whole steps between the others.


hexachord British  
/ ˈhɛksəˌkɔːd /

noun

  1. (in medieval musical theory) any of three diatonic scales based upon C, F, and G, each consisting of six notes, from which solmization was developed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hexachord

First recorded in 1685–95, hexachord is from the Late Greek word hexáchordos having six strings. See hexa-, chord 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“I used the hexachord, but transposed, that I had used to generate the old String Trio, which is now 50 years old,” he said.

From New York Times • May 25, 2018

When the voice had to go beyond la, the sixth note, to B♮, that sixth note was always called re, and was considered the second note of a new hexachord.

From Critical and Historical Essays Lectures delivered at Columbia University by Baltzell, W. J. (Winton James)

Just as in mediæval times each hexachord commenced with ut, so now every octave of our tonal system commences with do.

From Critical and Historical Essays Lectures delivered at Columbia University by Baltzell, W. J. (Winton James)

Running longitudinally, there are four channels in it if it is a tetrachord; six, if it is a hexachord; eight, if it is an octachord.

From The Ten Books on Architecture by Vitruvius Pollio

The next three hexachords were treated in the same manner; the last or seventh hexachord was merely a repetition of the first and the fourth.

From Critical and Historical Essays Lectures delivered at Columbia University by Baltzell, W. J. (Winton James)