René Guénon claims that transmigration involves the change of a corporeal being into another, non-corporeal state (with no return ever to corporeal existence) and therefore not really related to transmigration nor to reincarnation (which he believed to be a modern concept not present in religious traditions). See for instance his 1923 book "The Spiritist Fallacy".
Transmigration Program , the movement of a population from a crowded region to a less-densely-populated area. The most well-known such program was in Indonesia.
Transmigration Operation , in CAD, is an operation to reflect changes in a part as it relates to changes in the whole.