1. Not accented: an atonic syllable.
2. Medicine Relating to, caused by, or exhibiting lack of muscle tone.
A word, syllable, or sound that is unaccented.
[From Greek atonos; see ATONY.]
at′o·nici·ty (ăt′ə-nĭsĭ-tē, ăt′n-ĭs-) n.
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