Adjective
gravitic (not comparable)
Of or pertaining to gravity.
The satellite has a gravitic attraction to the planet.
A gravitic system relates to systems involving the use of or resistance to gravity.
Larger weapons include the sonic grenade, the gravitic imploder lance (requiring proximity of the target), and large plasma guns. Source: Internet
They are provided a highly advanced computer-controlled 'gravitic' ship with which to carry out their mission. Source: Internet