transpopulation noun2 •The population of transgender people, particularly in a specific region.I am not aware of any ethnographic or historical projects whose sole focus is some aspect of a Latina/o transpopulation. — 2009 •The act of altering one or more populations by the introduction of a different population or the removal of a particular subpopulation.Transpopulation of these hemopoietic and lymphopoietic tissues back to host-type tissue was induced by the intravenous injection of spleen, but not so far by lymph node, cells isologous with the host. — 1963 formstranspopulations