調ちょう声せいMeanings1nountonal mark; tone diacriticTechnical term used in Chinese phonology, especially for tone marks in Pinyin romanization. Not a common everyday word.ピンインの調ちょう声せいには四し声せいを示しめす記き号ごうが使つかわれる。Tone marks in Pinyin use symbols to indicate the four tones.