tonic sol-fa
noun/ˌtɒnɪk ˌsɒl ˈfɑː/
/ˌtɑːnɪk ˌsəʊl ˈfɑː/
(also sol-fa)
[uncountable] (music)- a system of naming the notes of the scale, used in teaching singing
Check pronunciation:
tonic sol-fa