BMT noun2 •Initialism of bone marrow transplant or bone marrow transplantation. •(Singapore) Initialism of basic military training, which includes physical training, where Singaporean males will learn basic skills of a soldier.During the two-hour visit, Mr Ong was briefed by commanders on the BMT curriculum and observed recruits undergoing physical training and using tablets to learn how to strip and assemble their weapons. — 2015 formsBMTs