Tribophysics

Tribophysics was the science of interacting surfaces in relative motion. This science was dated back to the Time of Legend on Gallifrey. (PROSE: Damaged Goods)

Blon Fel-Fotch Passameer-Day Slitheen planned to use a tribophysical waveform macro-kinetic extrapolator as a pan-dimensional surfboard to escape her planned destruction of the Earth. The Ninth Doctor and Jack Harkness added this device to The Doctor's TARDIS. (TV: Boom Town)