Definition of lability in US English:

lability

noun

technical
  • See labile

    • ‘Increasing problems with mood lability are noticeable as girls move into puberty.’
    • ‘The change of the lability of the system as the diffusion layer thickness is modified is analyzed in detail.’
    • ‘Other examples of affective lability can be found in women with Premenstrual Dysphoric Disorder.’

Pronunciation

lability

/lāˈbilədē/