atonia

Từ điển WordNet v3.1 - WordNet Dictionary

noun

lack of normal muscular tension or tonus
• Syn:
atonicity, atony, amyotonia
• Ant:
tonicity (for: atonicity)
• Derivationally related forms:
atonic, atonic (for: atony), atonic (for: atonicity)
• Hypernyms:
condition, status