A medical condition characterized by lack of muscle tone or weakness; floppiness or loss of normal muscle tension.
From Greek a- (without) + tonos (tone or tension). A medical term adopted from ancient Greek that describes abnormal muscle condition.
Babies are born with some atonia—their muscles are so floppy they can't hold up their own heads—which is why proper muscle development is so important in infancy!
Complete word intelligence in one call. Free tier — 50 lookups/day.