hematopoietic he·ma·to·poietic uncommon adjective 1. pertaining to the formation of blood or blood cells “hemopoietic stem cells in bone marrow” Synonymshaematopoietichemopoietichaemopoietichematogenichaematogenic Related words Pertaining to hematopoiesis WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.