astheniaPronunciation: /əsˈθiːnɪə/Definition of asthenia noun [mass noun] Medicine abnormal physical weakness or lack of energy: the asthenia of chronic respiratory diseaseDerivatives asthenic adjective Origin: late 18th century: modern Latin, from Greek astheneia, from asthenēs 'weak'asthenia in other Oxford dictionaries Definition of asthenia in the US English dictionary
