e/Septimal major third

Information
has gloss	eng: In music, the septimal major third , also called the supermajor third (by Hermann Helmholtz ) and sometimes Bohlen-Pierce third is the musical interval exactly or approximately equal to a just 9:7 ratio of frequencies. In terms of cents, it is 435 cents, sharper than a just major third of 5:4 by the septimal quarter tone, 36:35 . In 24-TET the septimal major third is approximated by 9 quarter tones, or 450 cents .
lexicalization	eng: septimal major third
instance of	(noun) a set containing all points (or all real numbers) between two given endpoints interval