diacritic
n
(also diacritical/-kl; -kl/) adj [attrib 作定语]
mark (eg an accent, a diaeresis or a cedilla) placed above or below a written or printed letter to indicate different sounds (标於书面字母上方或下方以表示其不同发音的)变音符号(如重音符、 分音符或下加符). diacritic, of diacritic mark 变音符号的.