ketsuekijōka
1. blood purification
Noun
1. blood purification
1. blood type; blood group
1. blood test; hemanalysis
1. normalization; normalisation
1. water-purification tank
2. septic tank
1. blood
1. castle town; city in Japan that developed around the castle of a feudal lord — explanation
1. purification
2. cleanup (e.g. of politics); purge
1. Probably blood type.
1. by blood type; with regard to blood type