SUBTONIC
Meaning of SUBTONIC in English
n.
Pronunciation: ˌ s ə b- ' tä-nik
Function: noun
Etymology: from its being a half tone below the upper tonic
Date: circa 1854
: LEADING TONE
Merriam Webster Collegiate English Dictionary.
Merriam Webster - Энциклопедический словарь английского языка.
2012