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atonic Line breaks: atonic
Pronunciation: /əˈtɒnɪk/

Definition of atonic in English:


1 Linguistics (Of a syllable) without accent or stress.
Example sentences
  • In Portuguese, vowels have stressed (tonic) and unstressed (atonic) forms.
  • In this kind of metric versification, neither the actual number of the syllables nor the difference between tonic and atonic syllables had much importance.
2 Physiology Lacking muscular tone.
Example sentences
  • The highest levels of intoxication can be life-threatening, producing delirium, coma, atonic bladder and cardiac arrhythmias.
  • Atonic and tonic seizures are characterized by a sudden change in muscle tone.
  • In Poliomyelitis the greatest possible care must be taken to prevent bruising atonic muscle fibers.


Pronunciation: /ˈatəni/
Example sentences
  • Following the birth of the neonate, the placenta was delivered and the patient began to experience severe hemorrhage, which was clinically attributed to uterine atony.
  • Postpartum uterine atony and hemorrhage can be effectively prevented with the use of oxytocin, but the optimal dosage and route of administration have not been established.
  • This in turn leads to gastric atony, floating kidney, hernia, rectal prolapse, uterine prolapse and other forms of prolapse.
Definition of atonic in:
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