Gravimetric disturbance

A gravimetric disturbance was an anomaly in the gravimetric energy around an area.

In 2153, the encountered a small test pod caught in a gravimetric disturbance formed by five spheres coming together in the Delphic Expanse. 

In 2369, Deep Space 9 was invaded by an embryonic lifeform and Commander Dax and Chief O'Brien used tritium to trace the origins a gravimetric disturbance, which ended up being a lifeform. Later that year, the USS Enterprise (NCC-1701-D) located the USS Jenolan stuck in a large gravimetric disturbance.