ˈheksəˌkȯrd, -ȯ(ə)d noun
Etymology: hexa- + -chord
1. : a diatonic series of six tones having a semitone between the third and fourth tones that formed the basic unit of analysis from the 11th to the 18th centuries, seven such overlapping series beginning successively on G, C, and F comprising all of the recognized tones — compare great scale , solmization
2. : a 6-stringed musical instrument
• hex·a·chord·ic | ̷ ̷ ̷ ̷|kȯrdik adjective