noun
phonetics : one of a number of pairs of diametrically opposed characteristics (as voicedness or voicelessness) taken as a basis for the classification of speech sounds
noun
phonetics : one of a number of pairs of diametrically opposed characteristics (as voicedness or voicelessness) taken as a basis for the classification of speech sounds
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012