condylarthrosis

noun
con·​dy·​lar·​thro·​sis | \ ˌkän-də-lär-ˈthrō-səs How to pronounce condylarthrosis (audio) \
plural condylarthroses\ -​ˌsēz How to pronounce condylarthroses (audio) \

Medical Definition of condylarthrosis

: articulation by means of a condyle (as that between the head and spinal column involving the occipital condyles and the atlas)