Definition of myotonia in English:

myotonia

noun

Medicine
  • [mass noun] Inability to relax voluntary muscle after vigorous effort.

    • ‘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).’
    • ‘In several small studies, selenium supplementation seemed to have an effect on myotonia.’

Origin

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

Pronunciation:

myotonia

/ˌmʌɪə(ʊ)ˈtəʊnɪə/