骨こつ壊え死しMeaningsNoun1. osteonecrosis; avascular necrosis; bone infarctionKanji used骨bone壊break死deathComposed of骨こつknack; skill; trick; secret; know-how; the ropes; hang; bone; skeleton; cremated remains (esp. the bones); …Noun壊え死しnecrosisNoun