声调符号

聲調符號
shēngdiàofúhào

tone mark (in Hanyu Pinyin and other transliteration systems)

Wiktionary

Entry Composition

1 声调 shēngdiào
  1. tone
  2. note
  3. a tone (on a Chinese syllable)

classifier: 個
2 符号 fúhào symbol; mark; sign