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Webster 1913 Edition

Semidiatessaron

Semˊi-diˊa-tes′sa-ron

,

Noun.

(Mus.)

An imperfect or diminished fourth.

[R.]

Definition 2024

semidiatessaron

semidiatessaron

English

Noun

semidiatessaron ‎(plural semidiatessarons)

(music) An imperfect or diminished fourth.