Transmissive form or mode of vibration propagation.
Law of Force
"Energy manifests itself in three forms: Creative, the vibrating aggregate; Transmissive, being the propagation of isochronous waves through the media in which it is immersed; Attractive, being its action upon other aggregates capable of vibrating in unisons or Harmony." [Keely, 1894]
See Also
05 - Chart Showing the Conditions Governing the Transmittive Link of Sympathy
receptive transmittive concordance