Definition of myotonia in English:

myotonia

noun

Medicine
  • Inability to relax voluntary muscle after vigorous effort.

    • ‘In several small studies, selenium supplementation seemed to have an effect on myotonia.’
    • ‘Hereditary defects in the channels are known to cause many diseases, including dominant and recessive myotonia, Bartter's syndrome, and Dent's disease.’
    • ‘Myotonic dystrophy, the most common form of muscular dystrophy in adults, affects the eyes, heart, hormonal systems, and blood, in addition to causing muscular dystrophy and involuntary muscle stiffness (myotonia).’

Origin

Late 19th century: from myo- ‘muscle’ + Greek tonos ‘tone’.

Pronunciation

myotonia

/ˌmīəˈtōnēə/