Definition of amentia in English:

amentia

noun

Medicine
dated
  • Severe congenital mental handicap.

    • ‘She herself has been suffering from uremia inherited from her mother and is also registered as suffering from ‘slight amentia’ (mental deficiency) in her own disability certificate.’
    • ‘There are probably other types of amentia in which a rare recessive gene is the chief determinant.’
    • ‘Moreover the anxiety about gestation increased and she developed amentia at last.’

Origin

Late Middle English: from Latin, literally ‘madness’, from amens, ament- ‘mad’, from a- ‘without’ + mens ‘the mind’.

Pronunciation

amentia

/āˈmen(t)SHēə/