The act of propagating; the continuance or multiplication of the kind by generation or successive production; as the propagation of animals or plants. There is not in nature any spontaneous generation, but all come by propagation.

The spreading or extension of any thing; as the propagation of sound or of reports.

The spreading of any thing by planting and establishing in places before destitute; as the propagation of the gospel among pagans.

A forward or promotion.