atonic

comparative more atonic · superlative most atonic

1. unstressedunstressed
2. human sciencesnot having tone (pitch)

   Some syllables are distinguished by an absence of tone; they are said to be atonic or to have a neutral tone.

   1984, John DeFrancis, The Chinese Language: Fact and Fantasy (nonfiction), University of Hawaii Press, page 45

3. medicineLacking muscle tone.
4. medicineCharacterized by atony, or want of vital energy.

   an atonic disease

plural atonics

1. datedhuman sciencesA sound with lack of tone or vocality.