tone number

Noun

 * 1) A number allocated to a syllable in various transliteration systems such as Hanyu Pinyin indicating the tone in which it is pronounced.
 * When we type the syllable "shi" in pinyin, we should always remember to put its tone number after it to avoid confusion.

Translations

 * Chinese:
 * Mandarin: 聲調數字,
 * Finnish: tooninumero
 * Russian: то́новый но́мер