SOH


Meaning of SOH in English

(also so ) / səʊ; NAmE soʊ/ (also sol ) noun

( music ) the fifth note of a major scale

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WORD ORIGIN

Middle English sol : representing (as an arbitrary name for the note) the first syllable of solve , taken from a Latin hymn.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.