the branch of medicine concerned with the study of blood, blood-forming tissues, and disorders related to them.

रक्त विज्ञान

English Usage: He is studying haematology to become a specialist in blood disorders.

Hindi Usage: वह रक्त विज्ञान का अध्ययन कर रहा है ताकि रक्त के विकारों में विशेषज्ञ बन सके।