phreniclasia

noun
phren·​i·​cla·​sia | \ ˌfren-ə-ˈklā-zh(ē-)ə How to pronounce phreniclasia (audio) \
variants: or phreniclasis \ -​ˈklā-​səs How to pronounce phreniclasis (audio) \
plural phreniclasias or phreniclases\ -​ˌsēz How to pronounce phreniclases (audio) \

Medical Definition of phreniclasia