Definition of hyalin in English:

hyalin

noun

Physiology
  • [mass noun] A clear substance produced especially by the degeneration of epithelial or connective tissues.

    • ‘On their outward-facing surface the cells are attached to an extracellular hyaline layer, which contains the proteins hyalin and echinonectin.’
    • ‘Hyaline membrane disease - a disease causing respiratory distress usually in premature newborns in which hyalin, a glassy, eosinophilic materia, is seen in the alveoli.’

Origin

Mid 19th century: via Latin from Greek hualinos, from hualos glass.

Pronunciation:

hyalin

/ˈhʌɪəlɪn/