- kala azar
n.〚Hindi kālā-āzār, lit., black disease〛an infectious disease, a type of leishmaniasis, that occurs in subtropical or tropical areas, caused by a protozoan parasite (Leishmania donovani) transmitted by sand flies (esp. genus Phlebotomus), and characterized by an enlarged spleen and liver, irregular fever, anemia, etc.: also kala-azar n.
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