Definition of amentia in English:

amentia

noun

Medicine
dated
  • [mass noun] Severe congenital mental disability.

    • ‘Moreover the anxiety about gestation increased and she developed amentia at last.’
    • ‘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.’

Origin

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

Pronunciation

amentia

/əˈmɛnʃə//eɪˈmɛnʃə/