聲調符號

声调符号
shēngdiàofúhào

tone mark (in Hanyu Pinyin and other transliteration systems)

Wiktionary

Entry Composition

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

classifier: 個
2 符號 fúhào symbol; mark; sign